Finding the Third Proportional to 65,488.50 and 103,866.75

Step by Step Solution

1. Step 1: Write the proportion equation
   65,488.50 : 103,866.75 = 103,866.75 : x
2. Step 2: Convert to fraction form
   65,488.50/103,866.75 = 103,866.75/x
3. Step 3: Cross multiply
   65,488.50x = 103,866.75 × 103,866.75
4. Step 4: Simplify right side
   65,488.50x = 10,788,301,755.56
5. Step 5: Solve for x
   x = 10,788,301,755.56/65,488.50
6. Step 6: Final answer
   x = 164,735.82