Finding the Third Proportional to 30,218.06 and 65,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,218.06 : 65,812.50 = 65,812.50 : x
2. Step 2: Convert to fraction form
   30,218.06/65,812.50 = 65,812.50/x
3. Step 3: Cross multiply
   30,218.06x = 65,812.50 × 65,812.50
4. Step 4: Simplify right side
   30,218.06x = 4,331,285,156.25
5. Step 5: Solve for x
   x = 4,331,285,156.25/30,218.06
6. Step 6: Final answer
   x = 143,334.31