Finding the Third Proportional to 482,862 and 764,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   482,862 : 764,419.50 = 764,419.50 : x
2. Step 2: Convert to fraction form
   482,862/764,419.50 = 764,419.50/x
3. Step 3: Cross multiply
   482,862x = 764,419.50 × 764,419.50
4. Step 4: Simplify right side
   482,862x = 584,337,171,980.25
5. Step 5: Solve for x
   x = 584,337,171,980.25/482,862
6. Step 6: Final answer
   x = 1,210,153.57