Finding the Third Proportional to 56,713.31 and 77,068.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,713.31 : 77,068.69 = 77,068.69 : x
2. Step 2: Convert to fraction form
   56,713.31/77,068.69 = 77,068.69/x
3. Step 3: Cross multiply
   56,713.31x = 77,068.69 × 77,068.69
4. Step 4: Simplify right side
   56,713.31x = 5,939,582,592.97
5. Step 5: Solve for x
   x = 5,939,582,592.97/56,713.31
6. Step 6: Final answer
   x = 104,729.95