Finding the Third Proportional to 705,028 and 1,490,426

Step by Step Solution

1. Step 1: Write the proportion equation
   705,028 : 1,490,426 = 1,490,426 : x
2. Step 2: Convert to fraction form
   705,028/1,490,426 = 1,490,426/x
3. Step 3: Cross multiply
   705,028x = 1,490,426 × 1,490,426
4. Step 4: Simplify right side
   705,028x = 2,221,369,661,476
5. Step 5: Solve for x
   x = 2,221,369,661,476/705,028
6. Step 6: Final answer
   x = 3,150,753.82