Finding the Third Proportional to 64,344.38 and 98,429.63

Step by Step Solution

1. Step 1: Write the proportion equation
   64,344.38 : 98,429.63 = 98,429.63 : x
2. Step 2: Convert to fraction form
   64,344.38/98,429.63 = 98,429.63/x
3. Step 3: Cross multiply
   64,344.38x = 98,429.63 × 98,429.63
4. Step 4: Simplify right side
   64,344.38x = 9,688,391,077.64
5. Step 5: Solve for x
   x = 9,688,391,077.64/64,344.38
6. Step 6: Final answer
   x = 150,570.91