Finding the Third Proportional to 51,236,137 and 111,569,507

Step by Step Solution

1. Step 1: Write the proportion equation
   51,236,137 : 111,569,507 = 111,569,507 : x
2. Step 2: Convert to fraction form
   51,236,137/111,569,507 = 111,569,507/x
3. Step 3: Cross multiply
   51,236,137x = 111,569,507 × 111,569,507
4. Step 4: Simplify right side
   51,236,137x = 12,447,754,892,223,048
5. Step 5: Solve for x
   x = 12,447,754,892,223,048/51,236,137
6. Step 6: Final answer
   x = 242,948,739.33