Finding the Third Proportional to 52,090 and 113,980

Step by Step Solution

1. Step 1: Write the proportion equation
   52,090 : 113,980 = 113,980 : x
2. Step 2: Convert to fraction form
   52,090/113,980 = 113,980/x
3. Step 3: Cross multiply
   52,090x = 113,980 × 113,980
4. Step 4: Simplify right side
   52,090x = 12,991,440,400
5. Step 5: Solve for x
   x = 12,991,440,400/52,090
6. Step 6: Final answer
   x = 249,403.73