Finding the Third Proportional to 2,549,323,055 and 5,486,066,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549,323,055 : 5,486,066,718.50 = 5,486,066,718.50 : x
2. Step 2: Convert to fraction form
   2,549,323,055/5,486,066,718.50 = 5,486,066,718.50/x
3. Step 3: Cross multiply
   2,549,323,055x = 5,486,066,718.50 × 5,486,066,718.50
4. Step 4: Simplify right side
   2,549,323,055x = 30,096,928,039,833,358,336
5. Step 5: Solve for x
   x = 30,096,928,039,833,358,336/2,549,323,055
6. Step 6: Final answer
   x = 11,805,850,961.42