Finding the Third Proportional to 42,150.66 and 90,280.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,150.66 : 90,280.13 = 90,280.13 : x
2. Step 2: Convert to fraction form
   42,150.66/90,280.13 = 90,280.13/x
3. Step 3: Cross multiply
   42,150.66x = 90,280.13 × 90,280.13
4. Step 4: Simplify right side
   42,150.66x = 8,150,500,970.02
5. Step 5: Solve for x
   x = 8,150,500,970.02/42,150.66
6. Step 6: Final answer
   x = 193,365.93