Finding the Third Proportional to 40,098.80 and 56,059.59

Step by Step Solution

1. Step 1: Write the proportion equation
   40,098.80 : 56,059.59 = 56,059.59 : x
2. Step 2: Convert to fraction form
   40,098.80/56,059.59 = 56,059.59/x
3. Step 3: Cross multiply
   40,098.80x = 56,059.59 × 56,059.59
4. Step 4: Simplify right side
   40,098.80x = 3,142,678,051.42
5. Step 5: Solve for x
   x = 3,142,678,051.42/40,098.80
6. Step 6: Final answer
   x = 78,373.38