Finding the Third Proportional to 5,518,656,155.25 and 12,105,736,033.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,518,656,155.25 : 12,105,736,033.50 = 12,105,736,033.50 : x
2. Step 2: Convert to fraction form
   5,518,656,155.25/12,105,736,033.50 = 12,105,736,033.50/x
3. Step 3: Cross multiply
   5,518,656,155.25x = 12,105,736,033.50 × 12,105,736,033.50
4. Step 4: Simplify right side
   5,518,656,155.25x = 146,548,844,912,780,312,576
5. Step 5: Solve for x
   x = 146,548,844,912,780,312,576/5,518,656,155.25
6. Step 6: Final answer
   x = 26,555,168,647.96