Finding the Third Proportional to 52,779.38 and 81,846.75

Step by Step Solution

1. Step 1: Write the proportion equation
   52,779.38 : 81,846.75 = 81,846.75 : x
2. Step 2: Convert to fraction form
   52,779.38/81,846.75 = 81,846.75/x
3. Step 3: Cross multiply
   52,779.38x = 81,846.75 × 81,846.75
4. Step 4: Simplify right side
   52,779.38x = 6,698,890,485.56
5. Step 5: Solve for x
   x = 6,698,890,485.56/52,779.38
6. Step 6: Final answer
   x = 126,922.50