Finding the Third Proportional to 3,728,970 and 8,122,194

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728,970 : 8,122,194 = 8,122,194 : x
2. Step 2: Convert to fraction form
   3,728,970/8,122,194 = 8,122,194/x
3. Step 3: Cross multiply
   3,728,970x = 8,122,194 × 8,122,194
4. Step 4: Simplify right side
   3,728,970x = 65,970,035,373,636
5. Step 5: Solve for x
   x = 65,970,035,373,636/3,728,970
6. Step 6: Final answer
   x = 17,691,221.80