Finding the Third Proportional to 64,103.25 and 99,515.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,103.25 : 99,515.25 = 99,515.25 : x
2. Step 2: Convert to fraction form
   64,103.25/99,515.25 = 99,515.25/x
3. Step 3: Cross multiply
   64,103.25x = 99,515.25 × 99,515.25
4. Step 4: Simplify right side
   64,103.25x = 9,903,284,982.56
5. Step 5: Solve for x
   x = 9,903,284,982.56/64,103.25
6. Step 6: Final answer
   x = 154,489.59