Finding the Third Proportional to 63,802.69 and 89,407.13

Step by Step Solution

1. Step 1: Write the proportion equation
   63,802.69 : 89,407.13 = 89,407.13 : x
2. Step 2: Convert to fraction form
   63,802.69/89,407.13 = 89,407.13/x
3. Step 3: Cross multiply
   63,802.69x = 89,407.13 × 89,407.13
4. Step 4: Simplify right side
   63,802.69x = 7,993,634,000.77
5. Step 5: Solve for x
   x = 7,993,634,000.77/63,802.69
6. Step 6: Final answer
   x = 125,286.79