Finding the Third Proportional to 133,351.50 and 291,599

Step by Step Solution

1. Step 1: Write the proportion equation
   133,351.50 : 291,599 = 291,599 : x
2. Step 2: Convert to fraction form
   133,351.50/291,599 = 291,599/x
3. Step 3: Cross multiply
   133,351.50x = 291,599 × 291,599
4. Step 4: Simplify right side
   133,351.50x = 85,029,976,801
5. Step 5: Solve for x
   x = 85,029,976,801/133,351.50
6. Step 6: Final answer
   x = 637,637.95