Finding the Third Proportional to 51,836,778.50 and 111,366,261.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,836,778.50 : 111,366,261.50 = 111,366,261.50 : x
2. Step 2: Convert to fraction form
   51,836,778.50/111,366,261.50 = 111,366,261.50/x
3. Step 3: Cross multiply
   51,836,778.50x = 111,366,261.50 × 111,366,261.50
4. Step 4: Simplify right side
   51,836,778.50x = 12,402,444,200,486,382
5. Step 5: Solve for x
   x = 12,402,444,200,486,382/51,836,778.50
6. Step 6: Final answer
   x = 239,259,548.13