Finding the Third Proportional to 344,451 and 543,082.50

Step by Step Solution

1. Step 1: Write the proportion equation
   344,451 : 543,082.50 = 543,082.50 : x
2. Step 2: Convert to fraction form
   344,451/543,082.50 = 543,082.50/x
3. Step 3: Cross multiply
   344,451x = 543,082.50 × 543,082.50
4. Step 4: Simplify right side
   344,451x = 294,938,601,806.25
5. Step 5: Solve for x
   x = 294,938,601,806.25/344,451
6. Step 6: Final answer
   x = 856,257.06