Finding the Third Proportional to 3,898,944 and 8,694,380

Step by Step Solution

1. Step 1: Write the proportion equation
   3,898,944 : 8,694,380 = 8,694,380 : x
2. Step 2: Convert to fraction form
   3,898,944/8,694,380 = 8,694,380/x
3. Step 3: Cross multiply
   3,898,944x = 8,694,380 × 8,694,380
4. Step 4: Simplify right side
   3,898,944x = 75,592,243,584,400
5. Step 5: Solve for x
   x = 75,592,243,584,400/3,898,944
6. Step 6: Final answer
   x = 19,387,876.20