Finding the Third Proportional to 863,136 and 1,294,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   863,136 : 1,294,717.50 = 1,294,717.50 : x
2. Step 2: Convert to fraction form
   863,136/1,294,717.50 = 1,294,717.50/x
3. Step 3: Cross multiply
   863,136x = 1,294,717.50 × 1,294,717.50
4. Step 4: Simplify right side
   863,136x = 1,676,293,404,806.25
5. Step 5: Solve for x
   x = 1,676,293,404,806.25/863,136
6. Step 6: Final answer
   x = 1,942,096.50