Finding the Third Proportional to 329,341.50 and 684,522

Step by Step Solution

1. Step 1: Write the proportion equation
   329,341.50 : 684,522 = 684,522 : x
2. Step 2: Convert to fraction form
   329,341.50/684,522 = 684,522/x
3. Step 3: Cross multiply
   329,341.50x = 684,522 × 684,522
4. Step 4: Simplify right side
   329,341.50x = 468,570,368,484
5. Step 5: Solve for x
   x = 468,570,368,484/329,341.50
6. Step 6: Final answer
   x = 1,422,749.24