Finding the Third Proportional to 64,926.50 and 86,697.75

Step by Step Solution

1. Step 1: Write the proportion equation
   64,926.50 : 86,697.75 = 86,697.75 : x
2. Step 2: Convert to fraction form
   64,926.50/86,697.75 = 86,697.75/x
3. Step 3: Cross multiply
   64,926.50x = 86,697.75 × 86,697.75
4. Step 4: Simplify right side
   64,926.50x = 7,516,499,855.06
5. Step 5: Solve for x
   x = 7,516,499,855.06/64,926.50
6. Step 6: Final answer
   x = 115,769.37