Finding the Third Proportional to 4,081,380 and 8,897,628

Step by Step Solution

1. Step 1: Write the proportion equation
   4,081,380 : 8,897,628 = 8,897,628 : x
2. Step 2: Convert to fraction form
   4,081,380/8,897,628 = 8,897,628/x
3. Step 3: Cross multiply
   4,081,380x = 8,897,628 × 8,897,628
4. Step 4: Simplify right side
   4,081,380x = 79,167,784,026,384
5. Step 5: Solve for x
   x = 79,167,784,026,384/4,081,380
6. Step 6: Final answer
   x = 19,397,307.78