Finding the Third Proportional to 40,737.15 and 84,293.47

Step by Step Solution

1. Step 1: Write the proportion equation
   40,737.15 : 84,293.47 = 84,293.47 : x
2. Step 2: Convert to fraction form
   40,737.15/84,293.47 = 84,293.47/x
3. Step 3: Cross multiply
   40,737.15x = 84,293.47 × 84,293.47
4. Step 4: Simplify right side
   40,737.15x = 7,105,389,532.45
5. Step 5: Solve for x
   x = 7,105,389,532.45/40,737.15
6. Step 6: Final answer
   x = 174,420.40