Finding the Third Proportional to 134,748 and 291,921.75

Step by Step Solution

1. Step 1: Write the proportion equation
   134,748 : 291,921.75 = 291,921.75 : x
2. Step 2: Convert to fraction form
   134,748/291,921.75 = 291,921.75/x
3. Step 3: Cross multiply
   134,748x = 291,921.75 × 291,921.75
4. Step 4: Simplify right side
   134,748x = 85,218,308,123.06
5. Step 5: Solve for x
   x = 85,218,308,123.06/134,748
6. Step 6: Final answer
   x = 632,427.26