Finding the Third Proportional to 12,146,879 and 18,626,304

Step by Step Solution

1. Step 1: Write the proportion equation
   12,146,879 : 18,626,304 = 18,626,304 : x
2. Step 2: Convert to fraction form
   12,146,879/18,626,304 = 18,626,304/x
3. Step 3: Cross multiply
   12,146,879x = 18,626,304 × 18,626,304
4. Step 4: Simplify right side
   12,146,879x = 346,939,200,700,416
5. Step 5: Solve for x
   x = 346,939,200,700,416/12,146,879
6. Step 6: Final answer
   x = 28,562,003.52