Finding the Third Proportional to 906,336 and 2,116,800

Step by Step Solution

1. Step 1: Write the proportion equation
   906,336 : 2,116,800 = 2,116,800 : x
2. Step 2: Convert to fraction form
   906,336/2,116,800 = 2,116,800/x
3. Step 3: Cross multiply
   906,336x = 2,116,800 × 2,116,800
4. Step 4: Simplify right side
   906,336x = 4,480,842,240,000
5. Step 5: Solve for x
   x = 4,480,842,240,000/906,336
6. Step 6: Final answer
   x = 4,943,908.48