Finding the Third Proportional to 252,076.50 and 553,842

Step by Step Solution

1. Step 1: Write the proportion equation
   252,076.50 : 553,842 = 553,842 : x
2. Step 2: Convert to fraction form
   252,076.50/553,842 = 553,842/x
3. Step 3: Cross multiply
   252,076.50x = 553,842 × 553,842
4. Step 4: Simplify right side
   252,076.50x = 306,740,960,964
5. Step 5: Solve for x
   x = 306,740,960,964/252,076.50
6. Step 6: Final answer
   x = 1,216,856.63