Finding the Third Proportional to 252,936 and 381,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   252,936 : 381,073.50 = 381,073.50 : x
2. Step 2: Convert to fraction form
   252,936/381,073.50 = 381,073.50/x
3. Step 3: Cross multiply
   252,936x = 381,073.50 × 381,073.50
4. Step 4: Simplify right side
   252,936x = 145,217,012,402.25
5. Step 5: Solve for x
   x = 145,217,012,402.25/252,936
6. Step 6: Final answer
   x = 574,125.52