Finding the Third Proportional to 658,738 and 1,417,340

Step by Step Solution

1. Step 1: Write the proportion equation
   658,738 : 1,417,340 = 1,417,340 : x
2. Step 2: Convert to fraction form
   658,738/1,417,340 = 1,417,340/x
3. Step 3: Cross multiply
   658,738x = 1,417,340 × 1,417,340
4. Step 4: Simplify right side
   658,738x = 2,008,852,675,600
5. Step 5: Solve for x
   x = 2,008,852,675,600/658,738
6. Step 6: Final answer
   x = 3,049,547.28