Finding the Third Proportional to 988,908 and 2,117,784

Step by Step Solution

1. Step 1: Write the proportion equation
   988,908 : 2,117,784 = 2,117,784 : x
2. Step 2: Convert to fraction form
   988,908/2,117,784 = 2,117,784/x
3. Step 3: Cross multiply
   988,908x = 2,117,784 × 2,117,784
4. Step 4: Simplify right side
   988,908x = 4,485,009,070,656
5. Step 5: Solve for x
   x = 4,485,009,070,656/988,908
6. Step 6: Final answer
   x = 4,535,314.78