Finding the Third Proportional to 686,731.50 and 1,010,245

Step by Step Solution

1. Step 1: Write the proportion equation
   686,731.50 : 1,010,245 = 1,010,245 : x
2. Step 2: Convert to fraction form
   686,731.50/1,010,245 = 1,010,245/x
3. Step 3: Cross multiply
   686,731.50x = 1,010,245 × 1,010,245
4. Step 4: Simplify right side
   686,731.50x = 1,020,594,960,025
5. Step 5: Solve for x
   x = 1,020,594,960,025/686,731.50
6. Step 6: Final answer
   x = 1,486,163.02