Finding the Third Proportional to 7,990,290 and 17,609,274

Step by Step Solution

1. Step 1: Write the proportion equation
   7,990,290 : 17,609,274 = 17,609,274 : x
2. Step 2: Convert to fraction form
   7,990,290/17,609,274 = 17,609,274/x
3. Step 3: Cross multiply
   7,990,290x = 17,609,274 × 17,609,274
4. Step 4: Simplify right side
   7,990,290x = 310,086,530,807,076
5. Step 5: Solve for x
   x = 310,086,530,807,076/7,990,290
6. Step 6: Final answer
   x = 38,807,919.46