Finding the Third Proportional to 551,068,942 and 1,189,800,976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   551,068,942 : 1,189,800,976.50 = 1,189,800,976.50 : x
2. Step 2: Convert to fraction form
   551,068,942/1,189,800,976.50 = 1,189,800,976.50/x
3. Step 3: Cross multiply
   551,068,942x = 1,189,800,976.50 × 1,189,800,976.50
4. Step 4: Simplify right side
   551,068,942x = 1,415,626,363,680,353,536
5. Step 5: Solve for x
   x = 1,415,626,363,680,353,536/551,068,942
6. Step 6: Final answer
   x = 2,568,873,430.87