Finding the Third Proportional to 4,581,380 and 9,047,116

Step by Step Solution

1. Step 1: Write the proportion equation
   4,581,380 : 9,047,116 = 9,047,116 : x
2. Step 2: Convert to fraction form
   4,581,380/9,047,116 = 9,047,116/x
3. Step 3: Cross multiply
   4,581,380x = 9,047,116 × 9,047,116
4. Step 4: Simplify right side
   4,581,380x = 81,850,307,917,456
5. Step 5: Solve for x
   x = 81,850,307,917,456/4,581,380
6. Step 6: Final answer
   x = 17,865,863.11