Finding the Third Proportional to 51,317,738 and 111,669,972

Step by Step Solution

1. Step 1: Write the proportion equation
   51,317,738 : 111,669,972 = 111,669,972 : x
2. Step 2: Convert to fraction form
   51,317,738/111,669,972 = 111,669,972/x
3. Step 3: Cross multiply
   51,317,738x = 111,669,972 × 111,669,972
4. Step 4: Simplify right side
   51,317,738x = 12,470,182,646,480,784
5. Step 5: Solve for x
   x = 12,470,182,646,480,784/51,317,738
6. Step 6: Final answer
   x = 242,999,460.47