Finding the Third Proportional to 115,914 and 247,139

Step by Step Solution

1. Step 1: Write the proportion equation
   115,914 : 247,139 = 247,139 : x
2. Step 2: Convert to fraction form
   115,914/247,139 = 247,139/x
3. Step 3: Cross multiply
   115,914x = 247,139 × 247,139
4. Step 4: Simplify right side
   115,914x = 61,077,685,321
5. Step 5: Solve for x
   x = 61,077,685,321/115,914
6. Step 6: Final answer
   x = 526,922.42