Finding the Third Proportional to 61,160 and 86,126.25

Step by Step Solution

1. Step 1: Write the proportion equation
   61,160 : 86,126.25 = 86,126.25 : x
2. Step 2: Convert to fraction form
   61,160/86,126.25 = 86,126.25/x
3. Step 3: Cross multiply
   61,160x = 86,126.25 × 86,126.25
4. Step 4: Simplify right side
   61,160x = 7,417,730,939.06
5. Step 5: Solve for x
   x = 7,417,730,939.06/61,160
6. Step 6: Final answer
   x = 121,284.02