Finding the Third Proportional to 647,769 and 1,423,074

Step by Step Solution

1. Step 1: Write the proportion equation
   647,769 : 1,423,074 = 1,423,074 : x
2. Step 2: Convert to fraction form
   647,769/1,423,074 = 1,423,074/x
3. Step 3: Cross multiply
   647,769x = 1,423,074 × 1,423,074
4. Step 4: Simplify right side
   647,769x = 2,025,139,609,476
5. Step 5: Solve for x
   x = 2,025,139,609,476/647,769
6. Step 6: Final answer
   x = 3,126,329.93