Finding the Third Proportional to 1,034,714 and 1,390,475

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034,714 : 1,390,475 = 1,390,475 : x
2. Step 2: Convert to fraction form
   1,034,714/1,390,475 = 1,390,475/x
3. Step 3: Cross multiply
   1,034,714x = 1,390,475 × 1,390,475
4. Step 4: Simplify right side
   1,034,714x = 1,933,420,725,625
5. Step 5: Solve for x
   x = 1,933,420,725,625/1,034,714
6. Step 6: Final answer
   x = 1,868,555.68