Finding the Third Proportional to 55,462,990 and 86,552,116

Step by Step Solution

1. Step 1: Write the proportion equation
   55,462,990 : 86,552,116 = 86,552,116 : x
2. Step 2: Convert to fraction form
   55,462,990/86,552,116 = 86,552,116/x
3. Step 3: Cross multiply
   55,462,990x = 86,552,116 × 86,552,116
4. Step 4: Simplify right side
   55,462,990x = 7,491,268,784,077,456
5. Step 5: Solve for x
   x = 7,491,268,784,077,456/55,462,990
6. Step 6: Final answer
   x = 135,067,885.52