Finding the Third Proportional to 111,673 and 243,029

Step by Step Solution

1. Step 1: Write the proportion equation
   111,673 : 243,029 = 243,029 : x
2. Step 2: Convert to fraction form
   111,673/243,029 = 243,029/x
3. Step 3: Cross multiply
   111,673x = 243,029 × 243,029
4. Step 4: Simplify right side
   111,673x = 59,063,094,841
5. Step 5: Solve for x
   x = 59,063,094,841/111,673
6. Step 6: Final answer
   x = 528,893.24