Finding the Third Proportional to 2,557,989,916 and 5,566,410,134

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,989,916 : 5,566,410,134 = 5,566,410,134 : x
2. Step 2: Convert to fraction form
   2,557,989,916/5,566,410,134 = 5,566,410,134/x
3. Step 3: Cross multiply
   2,557,989,916x = 5,566,410,134 × 5,566,410,134
4. Step 4: Simplify right side
   2,557,989,916x = 30,984,921,779,897,896,960
5. Step 5: Solve for x
   x = 30,984,921,779,897,896,960/2,557,989,916
6. Step 6: Final answer
   x = 12,112,996,062.29