Finding the Third Proportional to 111,501 and 247,842

Step by Step Solution

1. Step 1: Write the proportion equation
   111,501 : 247,842 = 247,842 : x
2. Step 2: Convert to fraction form
   111,501/247,842 = 247,842/x
3. Step 3: Cross multiply
   111,501x = 247,842 × 247,842
4. Step 4: Simplify right side
   111,501x = 61,425,656,964
5. Step 5: Solve for x
   x = 61,425,656,964/111,501
6. Step 6: Final answer
   x = 550,897.81