Finding the Third Proportional to 2,403,980,128 and 5,221,791,768

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403,980,128 : 5,221,791,768 = 5,221,791,768 : x
2. Step 2: Convert to fraction form
   2,403,980,128/5,221,791,768 = 5,221,791,768/x
3. Step 3: Cross multiply
   2,403,980,128x = 5,221,791,768 × 5,221,791,768
4. Step 4: Simplify right side
   2,403,980,128x = 27,267,109,268,352,565,248
5. Step 5: Solve for x
   x = 27,267,109,268,352,565,248/2,403,980,128
6. Step 6: Final answer
   x = 11,342,485,302.09