Finding the Third Proportional to 52,518.94 and 78,815.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,518.94 : 78,815.81 = 78,815.81 : x
2. Step 2: Convert to fraction form
   52,518.94/78,815.81 = 78,815.81/x
3. Step 3: Cross multiply
   52,518.94x = 78,815.81 × 78,815.81
4. Step 4: Simplify right side
   52,518.94x = 6,211,932,300.04
5. Step 5: Solve for x
   x = 6,211,932,300.04/52,518.94
6. Step 6: Final answer
   x = 118,279.85