Finding the Third Proportional to 702,406 and 1,488,404

Step by Step Solution

1. Step 1: Write the proportion equation
   702,406 : 1,488,404 = 1,488,404 : x
2. Step 2: Convert to fraction form
   702,406/1,488,404 = 1,488,404/x
3. Step 3: Cross multiply
   702,406x = 1,488,404 × 1,488,404
4. Step 4: Simplify right side
   702,406x = 2,215,346,467,216
5. Step 5: Solve for x
   x = 2,215,346,467,216/702,406
6. Step 6: Final answer
   x = 3,153,940.12