Finding the Third Proportional to 53,887.78 and 82,714.92

Step by Step Solution

1. Step 1: Write the proportion equation
   53,887.78 : 82,714.92 = 82,714.92 : x
2. Step 2: Convert to fraction form
   53,887.78/82,714.92 = 82,714.92/x
3. Step 3: Cross multiply
   53,887.78x = 82,714.92 × 82,714.92
4. Step 4: Simplify right side
   53,887.78x = 6,841,758,300.79
5. Step 5: Solve for x
   x = 6,841,758,300.79/53,887.78
6. Step 6: Final answer
   x = 126,963.07