Finding the Third Proportional to 2,549,371,209 and 5,486,162,853

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549,371,209 : 5,486,162,853 = 5,486,162,853 : x
2. Step 2: Convert to fraction form
   2,549,371,209/5,486,162,853 = 5,486,162,853/x
3. Step 3: Cross multiply
   2,549,371,209x = 5,486,162,853 × 5,486,162,853
4. Step 4: Simplify right side
   2,549,371,209x = 30,097,982,849,637,101,568
5. Step 5: Solve for x
   x = 30,097,982,849,637,101,568/2,549,371,209
6. Step 6: Final answer
   x = 11,806,041,718.59