Finding the Third Proportional to 28,960.88 and 63,457.13

Step by Step Solution

1. Step 1: Write the proportion equation
   28,960.88 : 63,457.13 = 63,457.13 : x
2. Step 2: Convert to fraction form
   28,960.88/63,457.13 = 63,457.13/x
3. Step 3: Cross multiply
   28,960.88x = 63,457.13 × 63,457.13
4. Step 4: Simplify right side
   28,960.88x = 4,026,806,713.27
5. Step 5: Solve for x
   x = 4,026,806,713.27/28,960.88
6. Step 6: Final answer
   x = 139,042.99