Finding the Third Proportional to 64,229.63 and 91,297.13

Step by Step Solution

1. Step 1: Write the proportion equation
   64,229.63 : 91,297.13 = 91,297.13 : x
2. Step 2: Convert to fraction form
   64,229.63/91,297.13 = 91,297.13/x
3. Step 3: Cross multiply
   64,229.63x = 91,297.13 × 91,297.13
4. Step 4: Simplify right side
   64,229.63x = 8,335,165,033.27
5. Step 5: Solve for x
   x = 8,335,165,033.27/64,229.63
6. Step 6: Final answer
   x = 129,771.35