Finding the Third Proportional to 647,799 and 1,423,133

Step by Step Solution

1. Step 1: Write the proportion equation
   647,799 : 1,423,133 = 1,423,133 : x
2. Step 2: Convert to fraction form
   647,799/1,423,133 = 1,423,133/x
3. Step 3: Cross multiply
   647,799x = 1,423,133 × 1,423,133
4. Step 4: Simplify right side
   647,799x = 2,025,307,535,689
5. Step 5: Solve for x
   x = 2,025,307,535,689/647,799
6. Step 6: Final answer
   x = 3,126,444.37