Finding the Third Proportional to 133,081.31 and 291,925.69

Step by Step Solution

1. Step 1: Write the proportion equation
   133,081.31 : 291,925.69 = 291,925.69 : x
2. Step 2: Convert to fraction form
   133,081.31/291,925.69 = 291,925.69/x
3. Step 3: Cross multiply
   133,081.31x = 291,925.69 × 291,925.69
4. Step 4: Simplify right side
   133,081.31x = 85,220,607,022.35
5. Step 5: Solve for x
   x = 85,220,607,022.35/133,081.31
6. Step 6: Final answer
   x = 640,364.94