Finding the Third Proportional to 65,063.25 and 142,580.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,063.25 : 142,580.25 = 142,580.25 : x
2. Step 2: Convert to fraction form
   65,063.25/142,580.25 = 142,580.25/x
3. Step 3: Cross multiply
   65,063.25x = 142,580.25 × 142,580.25
4. Step 4: Simplify right side
   65,063.25x = 20,329,127,690.06
5. Step 5: Solve for x
   x = 20,329,127,690.06/65,063.25
6. Step 6: Final answer
   x = 312,451.77