Finding the Third Proportional to 353,139,298.50 and 760,249,017

Step by Step Solution

1. Step 1: Write the proportion equation
   353,139,298.50 : 760,249,017 = 760,249,017 : x
2. Step 2: Convert to fraction form
   353,139,298.50/760,249,017 = 760,249,017/x
3. Step 3: Cross multiply
   353,139,298.50x = 760,249,017 × 760,249,017
4. Step 4: Simplify right side
   353,139,298.50x = 577,978,567,849,466,240
5. Step 5: Solve for x
   x = 577,978,567,849,466,240/353,139,298.50
6. Step 6: Final answer
   x = 1,636,687,194.84