Finding the Third Proportional to 3,669,482 and 8,290,292

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,482 : 8,290,292 = 8,290,292 : x
2. Step 2: Convert to fraction form
   3,669,482/8,290,292 = 8,290,292/x
3. Step 3: Cross multiply
   3,669,482x = 8,290,292 × 8,290,292
4. Step 4: Simplify right side
   3,669,482x = 68,728,941,445,264
5. Step 5: Solve for x
   x = 68,728,941,445,264/3,669,482
6. Step 6: Final answer
   x = 18,729,875.62