Finding the Third Proportional to 12,294,018 and 18,042,435

Step by Step Solution

1. Step 1: Write the proportion equation
   12,294,018 : 18,042,435 = 18,042,435 : x
2. Step 2: Convert to fraction form
   12,294,018/18,042,435 = 18,042,435/x
3. Step 3: Cross multiply
   12,294,018x = 18,042,435 × 18,042,435
4. Step 4: Simplify right side
   12,294,018x = 325,529,460,729,225
5. Step 5: Solve for x
   x = 325,529,460,729,225/12,294,018
6. Step 6: Final answer
   x = 26,478,687.50