Finding the Third Proportional to 12,768,252 and 17,916,386

Step by Step Solution

1. Step 1: Write the proportion equation
   12,768,252 : 17,916,386 = 17,916,386 : x
2. Step 2: Convert to fraction form
   12,768,252/17,916,386 = 17,916,386/x
3. Step 3: Cross multiply
   12,768,252x = 17,916,386 × 17,916,386
4. Step 4: Simplify right side
   12,768,252x = 320,996,887,300,996
5. Step 5: Solve for x
   x = 320,996,887,300,996/12,768,252
6. Step 6: Final answer
   x = 25,140,237.47