Finding the Third Proportional to 1,868,400 and 4,085,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,400 : 4,085,784 = 4,085,784 : x
2. Step 2: Convert to fraction form
   1,868,400/4,085,784 = 4,085,784/x
3. Step 3: Cross multiply
   1,868,400x = 4,085,784 × 4,085,784
4. Step 4: Simplify right side
   1,868,400x = 16,693,630,894,656
5. Step 5: Solve for x
   x = 16,693,630,894,656/1,868,400
6. Step 6: Final answer
   x = 8,934,720.02