Finding the Third Proportional to 1,865,527 and 4,016,458

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,527 : 4,016,458 = 4,016,458 : x
2. Step 2: Convert to fraction form
   1,865,527/4,016,458 = 4,016,458/x
3. Step 3: Cross multiply
   1,865,527x = 4,016,458 × 4,016,458
4. Step 4: Simplify right side
   1,865,527x = 16,131,934,865,764
5. Step 5: Solve for x
   x = 16,131,934,865,764/1,865,527
6. Step 6: Final answer
   x = 8,647,387.50