Finding the Third Proportional to 774,150.75 and 1,069,735.50

Step by Step Solution

1. Step 1: Write the proportion equation
   774,150.75 : 1,069,735.50 = 1,069,735.50 : x
2. Step 2: Convert to fraction form
   774,150.75/1,069,735.50 = 1,069,735.50/x
3. Step 3: Cross multiply
   774,150.75x = 1,069,735.50 × 1,069,735.50
4. Step 4: Simplify right side
   774,150.75x = 1,144,334,039,960.25
5. Step 5: Solve for x
   x = 1,144,334,039,960.25/774,150.75
6. Step 6: Final answer
   x = 1,478,179.85