Finding the Third Proportional to 59,518.50 and 81,051.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,518.50 : 81,051.75 = 81,051.75 : x
2. Step 2: Convert to fraction form
   59,518.50/81,051.75 = 81,051.75/x
3. Step 3: Cross multiply
   59,518.50x = 81,051.75 × 81,051.75
4. Step 4: Simplify right side
   59,518.50x = 6,569,386,178.06
5. Step 5: Solve for x
   x = 6,569,386,178.06/59,518.50
6. Step 6: Final answer
   x = 110,375.53