Finding the Third Proportional to 702,410 and 1,488,410

Step by Step Solution

1. Step 1: Write the proportion equation
   702,410 : 1,488,410 = 1,488,410 : x
2. Step 2: Convert to fraction form
   702,410/1,488,410 = 1,488,410/x
3. Step 3: Cross multiply
   702,410x = 1,488,410 × 1,488,410
4. Step 4: Simplify right side
   702,410x = 2,215,364,328,100
5. Step 5: Solve for x
   x = 2,215,364,328,100/702,410
6. Step 6: Final answer
   x = 3,153,947.59