Finding the Third Proportional to 42,160.50 and 55,468.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,160.50 : 55,468.13 = 55,468.13 : x
2. Step 2: Convert to fraction form
   42,160.50/55,468.13 = 55,468.13/x
3. Step 3: Cross multiply
   42,160.50x = 55,468.13 × 55,468.13
4. Step 4: Simplify right side
   42,160.50x = 3,076,712,891.02
5. Step 5: Solve for x
   x = 3,076,712,891.02/42,160.50
6. Step 6: Final answer
   x = 72,976.20