Finding the Third Proportional to 2,575,414,667.25 and 5,578,681,470.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575,414,667.25 : 5,578,681,470.75 = 5,578,681,470.75 : x
2. Step 2: Convert to fraction form
   2,575,414,667.25/5,578,681,470.75 = 5,578,681,470.75/x
3. Step 3: Cross multiply
   2,575,414,667.25x = 5,578,681,470.75 × 5,578,681,470.75
4. Step 4: Simplify right side
   2,575,414,667.25x = 31,121,686,952,089,382,912
5. Step 5: Solve for x
   x = 31,121,686,952,089,382,912/2,575,414,667.25
6. Step 6: Final answer
   x = 12,084,146,039.80