Finding the Third Proportional to 4,017,624 and 8,670,354

Step by Step Solution

1. Step 1: Write the proportion equation
   4,017,624 : 8,670,354 = 8,670,354 : x
2. Step 2: Convert to fraction form
   4,017,624/8,670,354 = 8,670,354/x
3. Step 3: Cross multiply
   4,017,624x = 8,670,354 × 8,670,354
4. Step 4: Simplify right side
   4,017,624x = 75,175,038,485,316
5. Step 5: Solve for x
   x = 75,175,038,485,316/4,017,624
6. Step 6: Final answer
   x = 18,711,317.56