Finding the Third Proportional to 59,078 and 81,651

Step by Step Solution

1. Step 1: Write the proportion equation
   59,078 : 81,651 = 81,651 : x
2. Step 2: Convert to fraction form
   59,078/81,651 = 81,651/x
3. Step 3: Cross multiply
   59,078x = 81,651 × 81,651
4. Step 4: Simplify right side
   59,078x = 6,666,885,801
5. Step 5: Solve for x
   x = 6,666,885,801/59,078
6. Step 6: Final answer
   x = 112,848.87