Finding the Third Proportional to 12,268,665 and 25,806,516

Step by Step Solution

1. Step 1: Write the proportion equation
   12,268,665 : 25,806,516 = 25,806,516 : x
2. Step 2: Convert to fraction form
   12,268,665/25,806,516 = 25,806,516/x
3. Step 3: Cross multiply
   12,268,665x = 25,806,516 × 25,806,516
4. Step 4: Simplify right side
   12,268,665x = 665,976,268,058,256
5. Step 5: Solve for x
   x = 665,976,268,058,256/12,268,665
6. Step 6: Final answer
   x = 54,282,700.53