Finding the Third Proportional to 4,181,068 and 8,864,536

Step by Step Solution

1. Step 1: Write the proportion equation
   4,181,068 : 8,864,536 = 8,864,536 : x
2. Step 2: Convert to fraction form
   4,181,068/8,864,536 = 8,864,536/x
3. Step 3: Cross multiply
   4,181,068x = 8,864,536 × 8,864,536
4. Step 4: Simplify right side
   4,181,068x = 78,579,998,495,296
5. Step 5: Solve for x
   x = 78,579,998,495,296/4,181,068
6. Step 6: Final answer
   x = 18,794,240.73