Finding the Third Proportional to 65,819.25 and 99,310.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,819.25 : 99,310.50 = 99,310.50 : x
2. Step 2: Convert to fraction form
   65,819.25/99,310.50 = 99,310.50/x
3. Step 3: Cross multiply
   65,819.25x = 99,310.50 × 99,310.50
4. Step 4: Simplify right side
   65,819.25x = 9,862,575,410.25
5. Step 5: Solve for x
   x = 9,862,575,410.25/65,819.25
6. Step 6: Final answer
   x = 149,843.33