Finding the Third Proportional to 18,475.59 and 39,722.91

Step by Step Solution

1. Step 1: Write the proportion equation
   18,475.59 : 39,722.91 = 39,722.91 : x
2. Step 2: Convert to fraction form
   18,475.59/39,722.91 = 39,722.91/x
3. Step 3: Cross multiply
   18,475.59x = 39,722.91 × 39,722.91
4. Step 4: Simplify right side
   18,475.59x = 1,577,909,280.95
5. Step 5: Solve for x
   x = 1,577,909,280.95/18,475.59
6. Step 6: Final answer
   x = 85,405.06