Finding the Third Proportional to 4,146,684 and 8,624,412

Step by Step Solution

1. Step 1: Write the proportion equation
   4,146,684 : 8,624,412 = 8,624,412 : x
2. Step 2: Convert to fraction form
   4,146,684/8,624,412 = 8,624,412/x
3. Step 3: Cross multiply
   4,146,684x = 8,624,412 × 8,624,412
4. Step 4: Simplify right side
   4,146,684x = 74,380,482,345,744
5. Step 5: Solve for x
   x = 74,380,482,345,744/4,146,684
6. Step 6: Final answer
   x = 17,937,340.38