Finding the Third Proportional to 133,902 and 291,840.75

Step by Step Solution

1. Step 1: Write the proportion equation
   133,902 : 291,840.75 = 291,840.75 : x
2. Step 2: Convert to fraction form
   133,902/291,840.75 = 291,840.75/x
3. Step 3: Cross multiply
   133,902x = 291,840.75 × 291,840.75
4. Step 4: Simplify right side
   133,902x = 85,171,023,360.56
5. Step 5: Solve for x
   x = 85,171,023,360.56/133,902
6. Step 6: Final answer
   x = 636,069.84