Finding the Third Proportional to 272,430 and 596,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   272,430 : 596,605.50 = 596,605.50 : x
2. Step 2: Convert to fraction form
   272,430/596,605.50 = 596,605.50/x
3. Step 3: Cross multiply
   272,430x = 596,605.50 × 596,605.50
4. Step 4: Simplify right side
   272,430x = 355,938,122,630.25
5. Step 5: Solve for x
   x = 355,938,122,630.25/272,430
6. Step 6: Final answer
   x = 1,306,530.57