Finding the Third Proportional to 42,254.50 and 91,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,254.50 : 91,807.50 = 91,807.50 : x
2. Step 2: Convert to fraction form
   42,254.50/91,807.50 = 91,807.50/x
3. Step 3: Cross multiply
   42,254.50x = 91,807.50 × 91,807.50
4. Step 4: Simplify right side
   42,254.50x = 8,428,617,056.25
5. Step 5: Solve for x
   x = 8,428,617,056.25/42,254.50
6. Step 6: Final answer
   x = 199,472.65