Finding the Third Proportional to 42,251.25 and 91,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,251.25 : 91,801.50 = 91,801.50 : x
2. Step 2: Convert to fraction form
   42,251.25/91,801.50 = 91,801.50/x
3. Step 3: Cross multiply
   42,251.25x = 91,801.50 × 91,801.50
4. Step 4: Simplify right side
   42,251.25x = 8,427,515,402.25
5. Step 5: Solve for x
   x = 8,427,515,402.25/42,251.25
6. Step 6: Final answer
   x = 199,461.92