Finding the Third Proportional to 231,320 and 535,466.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,320 : 535,466.50 = 535,466.50 : x
2. Step 2: Convert to fraction form
   231,320/535,466.50 = 535,466.50/x
3. Step 3: Cross multiply
   231,320x = 535,466.50 × 535,466.50
4. Step 4: Simplify right side
   231,320x = 286,724,372,622.25
5. Step 5: Solve for x
   x = 286,724,372,622.25/231,320
6. Step 6: Final answer
   x = 1,239,513.97