Finding the Third Proportional to 61,176.09 and 86,151.09

Step by Step Solution

1. Step 1: Write the proportion equation
   61,176.09 : 86,151.09 = 86,151.09 : x
2. Step 2: Convert to fraction form
   61,176.09/86,151.09 = 86,151.09/x
3. Step 3: Cross multiply
   61,176.09x = 86,151.09 × 86,151.09
4. Step 4: Simplify right side
   61,176.09x = 7,422,010,954.32
5. Step 5: Solve for x
   x = 7,422,010,954.32/61,176.09
6. Step 6: Final answer
   x = 121,322.08