Finding the Third Proportional to 4,099,492 and 8,971,239

Step by Step Solution

1. Step 1: Write the proportion equation
   4,099,492 : 8,971,239 = 8,971,239 : x
2. Step 2: Convert to fraction form
   4,099,492/8,971,239 = 8,971,239/x
3. Step 3: Cross multiply
   4,099,492x = 8,971,239 × 8,971,239
4. Step 4: Simplify right side
   4,099,492x = 80,483,129,195,121
5. Step 5: Solve for x
   x = 80,483,129,195,121/4,099,492
6. Step 6: Final answer
   x = 19,632,464.02