Finding the Third Proportional to 64,729.13 and 98,445.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,729.13 : 98,445.38 = 98,445.38 : x
2. Step 2: Convert to fraction form
   64,729.13/98,445.38 = 98,445.38/x
3. Step 3: Cross multiply
   64,729.13x = 98,445.38 × 98,445.38
4. Step 4: Simplify right side
   64,729.13x = 9,691,491,858.89
5. Step 5: Solve for x
   x = 9,691,491,858.89/64,729.13
6. Step 6: Final answer
   x = 149,723.82