Finding the Third Proportional to 56,406.38 and 81,966.94

Step by Step Solution

1. Step 1: Write the proportion equation
   56,406.38 : 81,966.94 = 81,966.94 : x
2. Step 2: Convert to fraction form
   56,406.38/81,966.94 = 81,966.94/x
3. Step 3: Cross multiply
   56,406.38x = 81,966.94 × 81,966.94
4. Step 4: Simplify right side
   56,406.38x = 6,718,578,843.13
5. Step 5: Solve for x
   x = 6,718,578,843.13/56,406.38
6. Step 6: Final answer
   x = 119,110.28