Finding the Third Proportional to 270,430.50 and 577,056

Step by Step Solution

1. Step 1: Write the proportion equation
   270,430.50 : 577,056 = 577,056 : x
2. Step 2: Convert to fraction form
   270,430.50/577,056 = 577,056/x
3. Step 3: Cross multiply
   270,430.50x = 577,056 × 577,056
4. Step 4: Simplify right side
   270,430.50x = 332,993,627,136
5. Step 5: Solve for x
   x = 332,993,627,136/270,430.50
6. Step 6: Final answer
   x = 1,231,346.42