Finding the Third Proportional to 51,236,108.50 and 111,569,451

Step by Step Solution

1. Step 1: Write the proportion equation
   51,236,108.50 : 111,569,451 = 111,569,451 : x
2. Step 2: Convert to fraction form
   51,236,108.50/111,569,451 = 111,569,451/x
3. Step 3: Cross multiply
   51,236,108.50x = 111,569,451 × 111,569,451
4. Step 4: Simplify right side
   51,236,108.50x = 12,447,742,396,441,400
5. Step 5: Solve for x
   x = 12,447,742,396,441,400/51,236,108.50
6. Step 6: Final answer
   x = 242,948,630.58