Finding the Third Proportional to 221,915 and 314,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,915 : 314,004.50 = 314,004.50 : x
2. Step 2: Convert to fraction form
   221,915/314,004.50 = 314,004.50/x
3. Step 3: Cross multiply
   221,915x = 314,004.50 × 314,004.50
4. Step 4: Simplify right side
   221,915x = 98,598,826,020.25
5. Step 5: Solve for x
   x = 98,598,826,020.25/221,915
6. Step 6: Final answer
   x = 444,308.97