Finding the Third Proportional to 42,288 and 63,330

Step by Step Solution

1. Step 1: Write the proportion equation
   42,288 : 63,330 = 63,330 : x
2. Step 2: Convert to fraction form
   42,288/63,330 = 63,330/x
3. Step 3: Cross multiply
   42,288x = 63,330 × 63,330
4. Step 4: Simplify right side
   42,288x = 4,010,688,900
5. Step 5: Solve for x
   x = 4,010,688,900/42,288
6. Step 6: Final answer
   x = 94,842.25