Finding the Third Proportional to 51,836,818.50 and 111,366,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,836,818.50 : 111,366,358.50 = 111,366,358.50 : x
2. Step 2: Convert to fraction form
   51,836,818.50/111,366,358.50 = 111,366,358.50/x
3. Step 3: Cross multiply
   51,836,818.50x = 111,366,358.50 × 111,366,358.50
4. Step 4: Simplify right side
   51,836,818.50x = 12,402,465,805,550,522
5. Step 5: Solve for x
   x = 12,402,465,805,550,522/51,836,818.50
6. Step 6: Final answer
   x = 239,259,780.30