Finding the Third Proportional to 3,898,946 and 8,694,386

Step by Step Solution

1. Step 1: Write the proportion equation
   3,898,946 : 8,694,386 = 8,694,386 : x
2. Step 2: Convert to fraction form
   3,898,946/8,694,386 = 8,694,386/x
3. Step 3: Cross multiply
   3,898,946x = 8,694,386 × 8,694,386
4. Step 4: Simplify right side
   3,898,946x = 75,592,347,916,996
5. Step 5: Solve for x
   x = 75,592,347,916,996/3,898,946
6. Step 6: Final answer
   x = 19,387,893.01