Finding the Third Proportional to 695,209.50 and 931,142.25

Step by Step Solution

1. Step 1: Write the proportion equation
   695,209.50 : 931,142.25 = 931,142.25 : x
2. Step 2: Convert to fraction form
   695,209.50/931,142.25 = 931,142.25/x
3. Step 3: Cross multiply
   695,209.50x = 931,142.25 × 931,142.25
4. Step 4: Simplify right side
   695,209.50x = 867,025,889,735.06
5. Step 5: Solve for x
   x = 867,025,889,735.06/695,209.50
6. Step 6: Final answer
   x = 1,247,143.33