Finding the Third Proportional to 4,181,090 and 8,864,584

Step by Step Solution

1. Step 1: Write the proportion equation
   4,181,090 : 8,864,584 = 8,864,584 : x
2. Step 2: Convert to fraction form
   4,181,090/8,864,584 = 8,864,584/x
3. Step 3: Cross multiply
   4,181,090x = 8,864,584 × 8,864,584
4. Step 4: Simplify right side
   4,181,090x = 78,580,849,493,056
5. Step 5: Solve for x
   x = 78,580,849,493,056/4,181,090
6. Step 6: Final answer
   x = 18,794,345.37