Finding the Third Proportional to 274,969.50 and 402,610

Step by Step Solution

1. Step 1: Write the proportion equation
   274,969.50 : 402,610 = 402,610 : x
2. Step 2: Convert to fraction form
   274,969.50/402,610 = 402,610/x
3. Step 3: Cross multiply
   274,969.50x = 402,610 × 402,610
4. Step 4: Simplify right side
   274,969.50x = 162,094,812,100
5. Step 5: Solve for x
   x = 162,094,812,100/274,969.50
6. Step 6: Final answer
   x = 589,501.06