Finding the Third Proportional to 690,896 and 1,016,586.50

Step by Step Solution

1. Step 1: Write the proportion equation
   690,896 : 1,016,586.50 = 1,016,586.50 : x
2. Step 2: Convert to fraction form
   690,896/1,016,586.50 = 1,016,586.50/x
3. Step 3: Cross multiply
   690,896x = 1,016,586.50 × 1,016,586.50
4. Step 4: Simplify right side
   690,896x = 1,033,448,111,982.25
5. Step 5: Solve for x
   x = 1,033,448,111,982.25/690,896
6. Step 6: Final answer
   x = 1,495,808.50