Finding the Third Proportional to 702,405 and 1,488,402

Step by Step Solution

1. Step 1: Write the proportion equation
   702,405 : 1,488,402 = 1,488,402 : x
2. Step 2: Convert to fraction form
   702,405/1,488,402 = 1,488,402/x
3. Step 3: Cross multiply
   702,405x = 1,488,402 × 1,488,402
4. Step 4: Simplify right side
   702,405x = 2,215,340,513,604
5. Step 5: Solve for x
   x = 2,215,340,513,604/702,405
6. Step 6: Final answer
   x = 3,153,936.14