Finding the Third Proportional to 30,401.75 and 65,006.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,401.75 : 65,006.25 = 65,006.25 : x
2. Step 2: Convert to fraction form
   30,401.75/65,006.25 = 65,006.25/x
3. Step 3: Cross multiply
   30,401.75x = 65,006.25 × 65,006.25
4. Step 4: Simplify right side
   30,401.75x = 4,225,812,539.06
5. Step 5: Solve for x
   x = 4,225,812,539.06/30,401.75
6. Step 6: Final answer
   x = 138,998.99