Finding the Third Proportional to 250,363.50 and 556,701

Step by Step Solution

1. Step 1: Write the proportion equation
   250,363.50 : 556,701 = 556,701 : x
2. Step 2: Convert to fraction form
   250,363.50/556,701 = 556,701/x
3. Step 3: Cross multiply
   250,363.50x = 556,701 × 556,701
4. Step 4: Simplify right side
   250,363.50x = 309,916,003,401
5. Step 5: Solve for x
   x = 309,916,003,401/250,363.50
6. Step 6: Final answer
   x = 1,237,864.16