Finding the Third Proportional to 249,309,636,547.50 and 505,556,604,947.25

Step by Step Solution

1. Step 1: Write the proportion equation
   249,309,636,547.50 : 505,556,604,947.25 = 505,556,604,947.25 : x
2. Step 2: Convert to fraction form
   249,309,636,547.50/505,556,604,947.25 = 505,556,604,947.25/x
3. Step 3: Cross multiply
   249,309,636,547.50x = 505,556,604,947.25 × 505,556,604,947.25
4. Step 4: Simplify right side
   249,309,636,547.50x = 255,587,480,805,789,789,061,120
5. Step 5: Solve for x
   x = 255,587,480,805,789,789,061,120/249,309,636,547.50
6. Step 6: Final answer
   x = 1,025,180,912,961.20