Finding the Third Proportional to 272,572.50 and 586,806

Step by Step Solution

1. Step 1: Write the proportion equation
   272,572.50 : 586,806 = 586,806 : x
2. Step 2: Convert to fraction form
   272,572.50/586,806 = 586,806/x
3. Step 3: Cross multiply
   272,572.50x = 586,806 × 586,806
4. Step 4: Simplify right side
   272,572.50x = 344,341,281,636
5. Step 5: Solve for x
   x = 344,341,281,636/272,572.50
6. Step 6: Final answer
   x = 1,263,301.62