Finding the Third Proportional to 60,219.28 and 81,115.59

Step by Step Solution

1. Step 1: Write the proportion equation
   60,219.28 : 81,115.59 = 81,115.59 : x
2. Step 2: Convert to fraction form
   60,219.28/81,115.59 = 81,115.59/x
3. Step 3: Cross multiply
   60,219.28x = 81,115.59 × 81,115.59
4. Step 4: Simplify right side
   60,219.28x = 6,579,739,549.42
5. Step 5: Solve for x
   x = 6,579,739,549.42/60,219.28
6. Step 6: Final answer
   x = 109,263.00