Finding the Third Proportional to 51,138,446 and 111,842,648

Step by Step Solution

1. Step 1: Write the proportion equation
   51,138,446 : 111,842,648 = 111,842,648 : x
2. Step 2: Convert to fraction form
   51,138,446/111,842,648 = 111,842,648/x
3. Step 3: Cross multiply
   51,138,446x = 111,842,648 × 111,842,648
4. Step 4: Simplify right side
   51,138,446x = 12,508,777,911,651,904
5. Step 5: Solve for x
   x = 12,508,777,911,651,904/51,138,446
6. Step 6: Final answer
   x = 244,606,140.59