Finding the Third Proportional to 4,112,546 and 8,911,486

Step by Step Solution

1. Step 1: Write the proportion equation
   4,112,546 : 8,911,486 = 8,911,486 : x
2. Step 2: Convert to fraction form
   4,112,546/8,911,486 = 8,911,486/x
3. Step 3: Cross multiply
   4,112,546x = 8,911,486 × 8,911,486
4. Step 4: Simplify right side
   4,112,546x = 79,414,582,728,196
5. Step 5: Solve for x
   x = 79,414,582,728,196/4,112,546
6. Step 6: Final answer
   x = 19,310,320.84