Finding the Third Proportional to 2,813,778 and 4,359,663

Step by Step Solution

1. Step 1: Write the proportion equation
   2,813,778 : 4,359,663 = 4,359,663 : x
2. Step 2: Convert to fraction form
   2,813,778/4,359,663 = 4,359,663/x
3. Step 3: Cross multiply
   2,813,778x = 4,359,663 × 4,359,663
4. Step 4: Simplify right side
   2,813,778x = 19,006,661,473,569
5. Step 5: Solve for x
   x = 19,006,661,473,569/2,813,778
6. Step 6: Final answer
   x = 6,754,854.67