Finding the Third Proportional to 769,491.56 and 1,149,928.31

Step by Step Solution

1. Step 1: Write the proportion equation
   769,491.56 : 1,149,928.31 = 1,149,928.31 : x
2. Step 2: Convert to fraction form
   769,491.56/1,149,928.31 = 1,149,928.31/x
3. Step 3: Cross multiply
   769,491.56x = 1,149,928.31 × 1,149,928.31
4. Step 4: Simplify right side
   769,491.56x = 1,322,335,123,889.10
5. Step 5: Solve for x
   x = 1,322,335,123,889.10/769,491.56
6. Step 6: Final answer
   x = 1,718,453.05