Finding the Third Proportional to 42,333.50 and 90,499

Step by Step Solution

1. Step 1: Write the proportion equation
   42,333.50 : 90,499 = 90,499 : x
2. Step 2: Convert to fraction form
   42,333.50/90,499 = 90,499/x
3. Step 3: Cross multiply
   42,333.50x = 90,499 × 90,499
4. Step 4: Simplify right side
   42,333.50x = 8,190,069,001
5. Step 5: Solve for x
   x = 8,190,069,001/42,333.50
6. Step 6: Final answer
   x = 193,465.44