Finding the Third Proportional to 4,227,640 and 9,053,151

Step by Step Solution

1. Step 1: Write the proportion equation
   4,227,640 : 9,053,151 = 9,053,151 : x
2. Step 2: Convert to fraction form
   4,227,640/9,053,151 = 9,053,151/x
3. Step 3: Cross multiply
   4,227,640x = 9,053,151 × 9,053,151
4. Step 4: Simplify right side
   4,227,640x = 81,959,543,028,801
5. Step 5: Solve for x
   x = 81,959,543,028,801/4,227,640
6. Step 6: Final answer
   x = 19,386,594.66