Finding the Third Proportional to 356,914.50 and 525,503.25

Step by Step Solution

1. Step 1: Write the proportion equation
   356,914.50 : 525,503.25 = 525,503.25 : x
2. Step 2: Convert to fraction form
   356,914.50/525,503.25 = 525,503.25/x
3. Step 3: Cross multiply
   356,914.50x = 525,503.25 × 525,503.25
4. Step 4: Simplify right side
   356,914.50x = 276,153,665,760.56
5. Step 5: Solve for x
   x = 276,153,665,760.56/356,914.50
6. Step 6: Final answer
   x = 773,724.98