Finding the Third Proportional to 4,074,432 and 8,634,552

Step by Step Solution

1. Step 1: Write the proportion equation
   4,074,432 : 8,634,552 = 8,634,552 : x
2. Step 2: Convert to fraction form
   4,074,432/8,634,552 = 8,634,552/x
3. Step 3: Cross multiply
   4,074,432x = 8,634,552 × 8,634,552
4. Step 4: Simplify right side
   4,074,432x = 74,555,488,240,704
5. Step 5: Solve for x
   x = 74,555,488,240,704/4,074,432
6. Step 6: Final answer
   x = 18,298,375.88