Finding the Third Proportional to 359,862.75 and 764,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,862.75 : 764,005.50 = 764,005.50 : x
2. Step 2: Convert to fraction form
   359,862.75/764,005.50 = 764,005.50/x
3. Step 3: Cross multiply
   359,862.75x = 764,005.50 × 764,005.50
4. Step 4: Simplify right side
   359,862.75x = 583,704,404,030.25
5. Step 5: Solve for x
   x = 583,704,404,030.25/359,862.75
6. Step 6: Final answer
   x = 1,622,019.52