Finding the Third Proportional to 686,749.50 and 1,046,119.50

Step by Step Solution

1. Step 1: Write the proportion equation
   686,749.50 : 1,046,119.50 = 1,046,119.50 : x
2. Step 2: Convert to fraction form
   686,749.50/1,046,119.50 = 1,046,119.50/x
3. Step 3: Cross multiply
   686,749.50x = 1,046,119.50 × 1,046,119.50
4. Step 4: Simplify right side
   686,749.50x = 1,094,366,008,280.25
5. Step 5: Solve for x
   x = 1,094,366,008,280.25/686,749.50
6. Step 6: Final answer
   x = 1,593,544.67