Finding the Third Proportional to 53,116.88 and 77,761.69

Step by Step Solution

1. Step 1: Write the proportion equation
   53,116.88 : 77,761.69 = 77,761.69 : x
2. Step 2: Convert to fraction form
   53,116.88/77,761.69 = 77,761.69/x
3. Step 3: Cross multiply
   53,116.88x = 77,761.69 × 77,761.69
4. Step 4: Simplify right side
   53,116.88x = 6,046,880,042.85
5. Step 5: Solve for x
   x = 6,046,880,042.85/53,116.88
6. Step 6: Final answer
   x = 113,841.04