Finding the Third Proportional to 56,496.66 and 76,642.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,496.66 : 76,642.88 = 76,642.88 : x
2. Step 2: Convert to fraction form
   56,496.66/76,642.88 = 76,642.88/x
3. Step 3: Cross multiply
   56,496.66x = 76,642.88 × 76,642.88
4. Step 4: Simplify right side
   56,496.66x = 5,874,130,288.27
5. Step 5: Solve for x
   x = 5,874,130,288.27/56,496.66
6. Step 6: Final answer
   x = 103,973.06