Finding the Third Proportional to 869,782.50 and 1,764,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   869,782.50 : 1,764,019.50 = 1,764,019.50 : x
2. Step 2: Convert to fraction form
   869,782.50/1,764,019.50 = 1,764,019.50/x
3. Step 3: Cross multiply
   869,782.50x = 1,764,019.50 × 1,764,019.50
4. Step 4: Simplify right side
   869,782.50x = 3,111,764,796,380.25
5. Step 5: Solve for x
   x = 3,111,764,796,380.25/869,782.50
6. Step 6: Final answer
   x = 3,577,635.55