Finding the Third Proportional to 12,274,548 and 18,411,822

Step by Step Solution

1. Step 1: Write the proportion equation
   12,274,548 : 18,411,822 = 18,411,822 : x
2. Step 2: Convert to fraction form
   12,274,548/18,411,822 = 18,411,822/x
3. Step 3: Cross multiply
   12,274,548x = 18,411,822 × 18,411,822
4. Step 4: Simplify right side
   12,274,548x = 338,995,189,359,684
5. Step 5: Solve for x
   x = 338,995,189,359,684/12,274,548
6. Step 6: Final answer
   x = 27,617,733