Finding the Third Proportional to 114,890 and 243,028

Step by Step Solution

1. Step 1: Write the proportion equation
   114,890 : 243,028 = 243,028 : x
2. Step 2: Convert to fraction form
   114,890/243,028 = 243,028/x
3. Step 3: Cross multiply
   114,890x = 243,028 × 243,028
4. Step 4: Simplify right side
   114,890x = 59,062,608,784
5. Step 5: Solve for x
   x = 59,062,608,784/114,890
6. Step 6: Final answer
   x = 514,079.63