Finding the Third Proportional to 988,870 and 2,117,708

Step by Step Solution

1. Step 1: Write the proportion equation
   988,870 : 2,117,708 = 2,117,708 : x
2. Step 2: Convert to fraction form
   988,870/2,117,708 = 2,117,708/x
3. Step 3: Cross multiply
   988,870x = 2,117,708 × 2,117,708
4. Step 4: Simplify right side
   988,870x = 4,484,687,173,264
5. Step 5: Solve for x
   x = 4,484,687,173,264/988,870
6. Step 6: Final answer
   x = 4,535,163.54