Finding the Third Proportional to 61,167 and 86,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,167 : 86,134.50 = 86,134.50 : x
2. Step 2: Convert to fraction form
   61,167/86,134.50 = 86,134.50/x
3. Step 3: Cross multiply
   61,167x = 86,134.50 × 86,134.50
4. Step 4: Simplify right side
   61,167x = 7,419,152,090.25
5. Step 5: Solve for x
   x = 7,419,152,090.25/61,167
6. Step 6: Final answer
   x = 121,293.38