Finding the Third Proportional to 12,464,604 and 18,778,932

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464,604 : 18,778,932 = 18,778,932 : x
2. Step 2: Convert to fraction form
   12,464,604/18,778,932 = 18,778,932/x
3. Step 3: Cross multiply
   12,464,604x = 18,778,932 × 18,778,932
4. Step 4: Simplify right side
   12,464,604x = 352,648,287,060,624
5. Step 5: Solve for x
   x = 352,648,287,060,624/12,464,604
6. Step 6: Final answer
   x = 28,291,976.79