Finding the Third Proportional to 669,440 and 1,471,558

Step by Step Solution

1. Step 1: Write the proportion equation
   669,440 : 1,471,558 = 1,471,558 : x
2. Step 2: Convert to fraction form
   669,440/1,471,558 = 1,471,558/x
3. Step 3: Cross multiply
   669,440x = 1,471,558 × 1,471,558
4. Step 4: Simplify right side
   669,440x = 2,165,482,947,364
5. Step 5: Solve for x
   x = 2,165,482,947,364/669,440
6. Step 6: Final answer
   x = 3,234,767.79