Finding the Third Proportional to 72,798 and 103,122

Step by Step Solution

1. Step 1: Write the proportion equation
   72,798 : 103,122 = 103,122 : x
2. Step 2: Convert to fraction form
   72,798/103,122 = 103,122/x
3. Step 3: Cross multiply
   72,798x = 103,122 × 103,122
4. Step 4: Simplify right side
   72,798x = 10,634,146,884
5. Step 5: Solve for x
   x = 10,634,146,884/72,798
6. Step 6: Final answer
   x = 146,077.46