Finding the Third Proportional to 55,462,971 and 86,552,083

Step by Step Solution

1. Step 1: Write the proportion equation
   55,462,971 : 86,552,083 = 86,552,083 : x
2. Step 2: Convert to fraction form
   55,462,971/86,552,083 = 86,552,083/x
3. Step 3: Cross multiply
   55,462,971x = 86,552,083 × 86,552,083
4. Step 4: Simplify right side
   55,462,971x = 7,491,263,071,638,889
5. Step 5: Solve for x
   x = 7,491,263,071,638,889/55,462,971
6. Step 6: Final answer
   x = 135,067,828.80