Finding the Third Proportional to 157,356 and 249,547.50

Step by Step Solution

1. Step 1: Write the proportion equation
   157,356 : 249,547.50 = 249,547.50 : x
2. Step 2: Convert to fraction form
   157,356/249,547.50 = 249,547.50/x
3. Step 3: Cross multiply
   157,356x = 249,547.50 × 249,547.50
4. Step 4: Simplify right side
   157,356x = 62,273,954,756.25
5. Step 5: Solve for x
   x = 62,273,954,756.25/157,356
6. Step 6: Final answer
   x = 395,752.02