Finding the Third Proportional to 52,798 and 76,821

Step by Step Solution

1. Step 1: Write the proportion equation
   52,798 : 76,821 = 76,821 : x
2. Step 2: Convert to fraction form
   52,798/76,821 = 76,821/x
3. Step 3: Cross multiply
   52,798x = 76,821 × 76,821
4. Step 4: Simplify right side
   52,798x = 5,901,466,041
5. Step 5: Solve for x
   x = 5,901,466,041/52,798
6. Step 6: Final answer
   x = 111,774.42