Finding the Third Proportional to 702,398 and 1,488,388

Step by Step Solution

1. Step 1: Write the proportion equation
   702,398 : 1,488,388 = 1,488,388 : x
2. Step 2: Convert to fraction form
   702,398/1,488,388 = 1,488,388/x
3. Step 3: Cross multiply
   702,398x = 1,488,388 × 1,488,388
4. Step 4: Simplify right side
   702,398x = 2,215,298,838,544
5. Step 5: Solve for x
   x = 2,215,298,838,544/702,398
6. Step 6: Final answer
   x = 3,153,908.24