Finding the Third Proportional to 693,328 and 1,490,140

Step by Step Solution

1. Step 1: Write the proportion equation
   693,328 : 1,490,140 = 1,490,140 : x
2. Step 2: Convert to fraction form
   693,328/1,490,140 = 1,490,140/x
3. Step 3: Cross multiply
   693,328x = 1,490,140 × 1,490,140
4. Step 4: Simplify right side
   693,328x = 2,220,517,219,600
5. Step 5: Solve for x
   x = 2,220,517,219,600/693,328
6. Step 6: Final answer
   x = 3,202,693.70