Finding the Third Proportional to 64,539.28 and 98,175.80

Step by Step Solution

1. Step 1: Write the proportion equation
   64,539.28 : 98,175.80 = 98,175.80 : x
2. Step 2: Convert to fraction form
   64,539.28/98,175.80 = 98,175.80/x
3. Step 3: Cross multiply
   64,539.28x = 98,175.80 × 98,175.80
4. Step 4: Simplify right side
   64,539.28x = 9,638,487,092.04
5. Step 5: Solve for x
   x = 9,638,487,092.04/64,539.28
6. Step 6: Final answer
   x = 149,342.96