Finding the Third Proportional to 52,157.25 and 78,478.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,157.25 : 78,478.88 = 78,478.88 : x
2. Step 2: Convert to fraction form
   52,157.25/78,478.88 = 78,478.88/x
3. Step 3: Cross multiply
   52,157.25x = 78,478.88 × 78,478.88
4. Step 4: Simplify right side
   52,157.25x = 6,158,933,821.27
5. Step 5: Solve for x
   x = 6,158,933,821.27/52,157.25
6. Step 6: Final answer
   x = 118,083.94