Finding the Third Proportional to 619,393.50 and 1,313,146.69

Step by Step Solution

1. Step 1: Write the proportion equation
   619,393.50 : 1,313,146.69 = 1,313,146.69 : x
2. Step 2: Convert to fraction form
   619,393.50/1,313,146.69 = 1,313,146.69/x
3. Step 3: Cross multiply
   619,393.50x = 1,313,146.69 × 1,313,146.69
4. Step 4: Simplify right side
   619,393.50x = 1,724,354,222,892.22
5. Step 5: Solve for x
   x = 1,724,354,222,892.22/619,393.50
6. Step 6: Final answer
   x = 2,783,939.81