Finding the Third Proportional to 55,462,987 and 86,552,105

Step by Step Solution

1. Step 1: Write the proportion equation
   55,462,987 : 86,552,105 = 86,552,105 : x
2. Step 2: Convert to fraction form
   55,462,987/86,552,105 = 86,552,105/x
3. Step 3: Cross multiply
   55,462,987x = 86,552,105 × 86,552,105
4. Step 4: Simplify right side
   55,462,987x = 7,491,266,879,931,025
5. Step 5: Solve for x
   x = 7,491,266,879,931,025/55,462,987
6. Step 6: Final answer
   x = 135,067,858.50