Finding the Third Proportional to 122,098 and 253,550

Step by Step Solution

1. Step 1: Write the proportion equation
   122,098 : 253,550 = 253,550 : x
2. Step 2: Convert to fraction form
   122,098/253,550 = 253,550/x
3. Step 3: Cross multiply
   122,098x = 253,550 × 253,550
4. Step 4: Simplify right side
   122,098x = 64,287,602,500
5. Step 5: Solve for x
   x = 64,287,602,500/122,098
6. Step 6: Final answer
   x = 526,524.62