Finding the Third Proportional to 113,364 and 247,140

Step by Step Solution

1. Step 1: Write the proportion equation
   113,364 : 247,140 = 247,140 : x
2. Step 2: Convert to fraction form
   113,364/247,140 = 247,140/x
3. Step 3: Cross multiply
   113,364x = 247,140 × 247,140
4. Step 4: Simplify right side
   113,364x = 61,078,179,600
5. Step 5: Solve for x
   x = 61,078,179,600/113,364
6. Step 6: Final answer
   x = 538,779.33