Finding the Third Proportional to 988,336 and 2,165,784

Step by Step Solution

1. Step 1: Write the proportion equation
   988,336 : 2,165,784 = 2,165,784 : x
2. Step 2: Convert to fraction form
   988,336/2,165,784 = 2,165,784/x
3. Step 3: Cross multiply
   988,336x = 2,165,784 × 2,165,784
4. Step 4: Simplify right side
   988,336x = 4,690,620,334,656
5. Step 5: Solve for x
   x = 4,690,620,334,656/988,336
6. Step 6: Final answer
   x = 4,745,977.42