Finding the Third Proportional to 5,055,454,998.50 and 10,990,838,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,055,454,998.50 : 10,990,838,961.50 = 10,990,838,961.50 : x
2. Step 2: Convert to fraction form
   5,055,454,998.50/10,990,838,961.50 = 10,990,838,961.50/x
3. Step 3: Cross multiply
   5,055,454,998.50x = 10,990,838,961.50 × 10,990,838,961.50
4. Step 4: Simplify right side
   5,055,454,998.50x = 120,798,541,077,626,404,864
5. Step 5: Solve for x
   x = 120,798,541,077,626,404,864/5,055,454,998.50
6. Step 6: Final answer
   x = 23,894,692,191.60