Finding the Third Proportional to 42,059.25 and 89,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,059.25 : 89,572.50 = 89,572.50 : x
2. Step 2: Convert to fraction form
   42,059.25/89,572.50 = 89,572.50/x
3. Step 3: Cross multiply
   42,059.25x = 89,572.50 × 89,572.50
4. Step 4: Simplify right side
   42,059.25x = 8,023,232,756.25
5. Step 5: Solve for x
   x = 8,023,232,756.25/42,059.25
6. Step 6: Final answer
   x = 190,760.24