Finding the Third Proportional to 52,560 and 78,850

Step by Step Solution

1. Step 1: Write the proportion equation
   52,560 : 78,850 = 78,850 : x
2. Step 2: Convert to fraction form
   52,560/78,850 = 78,850/x
3. Step 3: Cross multiply
   52,560x = 78,850 × 78,850
4. Step 4: Simplify right side
   52,560x = 6,217,322,500
5. Step 5: Solve for x
   x = 6,217,322,500/52,560
6. Step 6: Final answer
   x = 118,290.00