Finding the Third Proportional to 30,260 and 70,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,260 : 70,317.50 = 70,317.50 : x
2. Step 2: Convert to fraction form
   30,260/70,317.50 = 70,317.50/x
3. Step 3: Cross multiply
   30,260x = 70,317.50 × 70,317.50
4. Step 4: Simplify right side
   30,260x = 4,944,550,806.25
5. Step 5: Solve for x
   x = 4,944,550,806.25/30,260
6. Step 6: Final answer
   x = 163,402.21