Finding the Third Proportional to 28,142.44 and 42,793.88

Step by Step Solution

1. Step 1: Write the proportion equation
   28,142.44 : 42,793.88 = 42,793.88 : x
2. Step 2: Convert to fraction form
   28,142.44/42,793.88 = 42,793.88/x
3. Step 3: Cross multiply
   28,142.44x = 42,793.88 × 42,793.88
4. Step 4: Simplify right side
   28,142.44x = 1,831,315,737.52
5. Step 5: Solve for x
   x = 1,831,315,737.52/28,142.44
6. Step 6: Final answer
   x = 65,073.10