Finding the Third Proportional to 30,289.50 and 70,751.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,289.50 : 70,751.25 = 70,751.25 : x
2. Step 2: Convert to fraction form
   30,289.50/70,751.25 = 70,751.25/x
3. Step 3: Cross multiply
   30,289.50x = 70,751.25 × 70,751.25
4. Step 4: Simplify right side
   30,289.50x = 5,005,739,376.56
5. Step 5: Solve for x
   x = 5,005,739,376.56/30,289.50
6. Step 6: Final answer
   x = 165,263.19