Finding the Third Proportional to 55,462,986 and 86,552,109

Step by Step Solution

1. Step 1: Write the proportion equation
   55,462,986 : 86,552,109 = 86,552,109 : x
2. Step 2: Convert to fraction form
   55,462,986/86,552,109 = 86,552,109/x
3. Step 3: Cross multiply
   55,462,986x = 86,552,109 × 86,552,109
4. Step 4: Simplify right side
   55,462,986x = 7,491,267,572,347,881
5. Step 5: Solve for x
   x = 7,491,267,572,347,881/55,462,986
6. Step 6: Final answer
   x = 135,067,873.42