Finding the Third Proportional to 546,508 and 764,228.50

Step by Step Solution

1. Step 1: Write the proportion equation
   546,508 : 764,228.50 = 764,228.50 : x
2. Step 2: Convert to fraction form
   546,508/764,228.50 = 764,228.50/x
3. Step 3: Cross multiply
   546,508x = 764,228.50 × 764,228.50
4. Step 4: Simplify right side
   546,508x = 584,045,200,212.25
5. Step 5: Solve for x
   x = 584,045,200,212.25/546,508
6. Step 6: Final answer
   x = 1,068,685.55