Finding the Third Proportional to 136,332 and 291,617.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,332 : 291,617.50 = 291,617.50 : x
2. Step 2: Convert to fraction form
   136,332/291,617.50 = 291,617.50/x
3. Step 3: Cross multiply
   136,332x = 291,617.50 × 291,617.50
4. Step 4: Simplify right side
   136,332x = 85,040,766,306.25
5. Step 5: Solve for x
   x = 85,040,766,306.25/136,332
6. Step 6: Final answer
   x = 623,777.00