Finding the Third Proportional to 152,669.50 and 322,562

Step by Step Solution

1. Step 1: Write the proportion equation
   152,669.50 : 322,562 = 322,562 : x
2. Step 2: Convert to fraction form
   152,669.50/322,562 = 322,562/x
3. Step 3: Cross multiply
   152,669.50x = 322,562 × 322,562
4. Step 4: Simplify right side
   152,669.50x = 104,046,243,844
5. Step 5: Solve for x
   x = 104,046,243,844/152,669.50
6. Step 6: Final answer
   x = 681,512.97