Finding the Third Proportional to 13,539.66 and 22,420.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,539.66 : 22,420.55 = 22,420.55 : x
2. Step 2: Convert to fraction form
   13,539.66/22,420.55 = 22,420.55/x
3. Step 3: Cross multiply
   13,539.66x = 22,420.55 × 22,420.55
4. Step 4: Simplify right side
   13,539.66x = 502,680,922.17
5. Step 5: Solve for x
   x = 502,680,922.17/13,539.66
6. Step 6: Final answer
   x = 37,126.56