Finding the Third Proportional to 647,528 and 1,373,959

Step by Step Solution

1. Step 1: Write the proportion equation
   647,528 : 1,373,959 = 1,373,959 : x
2. Step 2: Convert to fraction form
   647,528/1,373,959 = 1,373,959/x
3. Step 3: Cross multiply
   647,528x = 1,373,959 × 1,373,959
4. Step 4: Simplify right side
   647,528x = 1,887,763,333,681
5. Step 5: Solve for x
   x = 1,887,763,333,681/647,528
6. Step 6: Final answer
   x = 2,915,338.54