Finding the Third Proportional to 86,969 and 130,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,969 : 130,647.50 = 130,647.50 : x
2. Step 2: Convert to fraction form
   86,969/130,647.50 = 130,647.50/x
3. Step 3: Cross multiply
   86,969x = 130,647.50 × 130,647.50
4. Step 4: Simplify right side
   86,969x = 17,068,769,256.25
5. Step 5: Solve for x
   x = 17,068,769,256.25/86,969
6. Step 6: Final answer
   x = 196,262.68