Finding the Third Proportional to 988,442 and 2,169,340

Step by Step Solution

1. Step 1: Write the proportion equation
   988,442 : 2,169,340 = 2,169,340 : x
2. Step 2: Convert to fraction form
   988,442/2,169,340 = 2,169,340/x
3. Step 3: Cross multiply
   988,442x = 2,169,340 × 2,169,340
4. Step 4: Simplify right side
   988,442x = 4,706,036,035,600
5. Step 5: Solve for x
   x = 4,706,036,035,600/988,442
6. Step 6: Final answer
   x = 4,761,064.42