Finding the Third Proportional to 133,911 and 291,858.75

Step by Step Solution

1. Step 1: Write the proportion equation
   133,911 : 291,858.75 = 291,858.75 : x
2. Step 2: Convert to fraction form
   133,911/291,858.75 = 291,858.75/x
3. Step 3: Cross multiply
   133,911x = 291,858.75 × 291,858.75
4. Step 4: Simplify right side
   133,911x = 85,181,529,951.56
5. Step 5: Solve for x
   x = 85,181,529,951.56/133,911
6. Step 6: Final answer
   x = 636,105.55