Finding the Third Proportional to 61,926.19 and 86,166.28

Step by Step Solution

1. Step 1: Write the proportion equation
   61,926.19 : 86,166.28 = 86,166.28 : x
2. Step 2: Convert to fraction form
   61,926.19/86,166.28 = 86,166.28/x
3. Step 3: Cross multiply
   61,926.19x = 86,166.28 × 86,166.28
4. Step 4: Simplify right side
   61,926.19x = 7,424,628,024.45
5. Step 5: Solve for x
   x = 7,424,628,024.45/61,926.19
6. Step 6: Final answer
   x = 119,894.80