Finding the Third Proportional to 770,533.50 and 1,022,411.25

Step by Step Solution

1. Step 1: Write the proportion equation
   770,533.50 : 1,022,411.25 = 1,022,411.25 : x
2. Step 2: Convert to fraction form
   770,533.50/1,022,411.25 = 1,022,411.25/x
3. Step 3: Cross multiply
   770,533.50x = 1,022,411.25 × 1,022,411.25
4. Step 4: Simplify right side
   770,533.50x = 1,045,324,764,126.56
5. Step 5: Solve for x
   x = 1,045,324,764,126.56/770,533.50
6. Step 6: Final answer
   x = 1,356,624.68