Finding the Third Proportional to 811,939.50 and 1,262,103

Step by Step Solution

1. Step 1: Write the proportion equation
   811,939.50 : 1,262,103 = 1,262,103 : x
2. Step 2: Convert to fraction form
   811,939.50/1,262,103 = 1,262,103/x
3. Step 3: Cross multiply
   811,939.50x = 1,262,103 × 1,262,103
4. Step 4: Simplify right side
   811,939.50x = 1,592,903,982,609
5. Step 5: Solve for x
   x = 1,592,903,982,609/811,939.50
6. Step 6: Final answer
   x = 1,961,850.58