Finding the Third Proportional to 222,432 and 524,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,432 : 524,856.50 = 524,856.50 : x
2. Step 2: Convert to fraction form
   222,432/524,856.50 = 524,856.50/x
3. Step 3: Cross multiply
   222,432x = 524,856.50 × 524,856.50
4. Step 4: Simplify right side
   222,432x = 275,474,345,592.25
5. Step 5: Solve for x
   x = 275,474,345,592.25/222,432
6. Step 6: Final answer
   x = 1,238,465.44