Finding the Third Proportional to 52,780 and 70,500

Step by Step Solution

1. Step 1: Write the proportion equation
   52,780 : 70,500 = 70,500 : x
2. Step 2: Convert to fraction form
   52,780/70,500 = 70,500/x
3. Step 3: Cross multiply
   52,780x = 70,500 × 70,500
4. Step 4: Simplify right side
   52,780x = 4,970,250,000
5. Step 5: Solve for x
   x = 4,970,250,000/52,780
6. Step 6: Final answer
   x = 94,169.19