Finding the Third Proportional to 3,985,109.72 and 8,253,766.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985,109.72 : 8,253,766.69 = 8,253,766.69 : x
2. Step 2: Convert to fraction form
   3,985,109.72/8,253,766.69 = 8,253,766.69/x
3. Step 3: Cross multiply
   3,985,109.72x = 8,253,766.69 × 8,253,766.69
4. Step 4: Simplify right side
   3,985,109.72x = 68,124,664,531,684.72
5. Step 5: Solve for x
   x = 68,124,664,531,684.72/3,985,109.72
6. Step 6: Final answer
   x = 17,094,802.74