Finding the Third Proportional to 157,830 and 337,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   157,830 : 337,864.50 = 337,864.50 : x
2. Step 2: Convert to fraction form
   157,830/337,864.50 = 337,864.50/x
3. Step 3: Cross multiply
   157,830x = 337,864.50 × 337,864.50
4. Step 4: Simplify right side
   157,830x = 114,152,420,360.25
5. Step 5: Solve for x
   x = 114,152,420,360.25/157,830
6. Step 6: Final answer
   x = 723,261.87