Finding the Third Proportional to 4,175,621 and 8,733,028

Step by Step Solution

1. Step 1: Write the proportion equation
   4,175,621 : 8,733,028 = 8,733,028 : x
2. Step 2: Convert to fraction form
   4,175,621/8,733,028 = 8,733,028/x
3. Step 3: Cross multiply
   4,175,621x = 8,733,028 × 8,733,028
4. Step 4: Simplify right side
   4,175,621x = 76,265,778,048,784
5. Step 5: Solve for x
   x = 76,265,778,048,784/4,175,621
6. Step 6: Final answer
   x = 18,264,535.51