Finding the Third Proportional to 610,790 and 1,316,245

Step by Step Solution

1. Step 1: Write the proportion equation
   610,790 : 1,316,245 = 1,316,245 : x
2. Step 2: Convert to fraction form
   610,790/1,316,245 = 1,316,245/x
3. Step 3: Cross multiply
   610,790x = 1,316,245 × 1,316,245
4. Step 4: Simplify right side
   610,790x = 1,732,500,900,025
5. Step 5: Solve for x
   x = 1,732,500,900,025/610,790
6. Step 6: Final answer
   x = 2,836,491.92