Finding the Third Proportional to 42,351.75 and 90,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,351.75 : 90,649.50 = 90,649.50 : x
2. Step 2: Convert to fraction form
   42,351.75/90,649.50 = 90,649.50/x
3. Step 3: Cross multiply
   42,351.75x = 90,649.50 × 90,649.50
4. Step 4: Simplify right side
   42,351.75x = 8,217,331,850.25
5. Step 5: Solve for x
   x = 8,217,331,850.25/42,351.75
6. Step 6: Final answer
   x = 194,025.79