Finding the Third Proportional to 482,607 and 764,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   482,607 : 764,815.50 = 764,815.50 : x
2. Step 2: Convert to fraction form
   482,607/764,815.50 = 764,815.50/x
3. Step 3: Cross multiply
   482,607x = 764,815.50 × 764,815.50
4. Step 4: Simplify right side
   482,607x = 584,942,749,040.25
5. Step 5: Solve for x
   x = 584,942,749,040.25/482,607
6. Step 6: Final answer
   x = 1,212,047.79