Finding the Third Proportional to 1,691,940 and 3,662,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,940 : 3,662,664 = 3,662,664 : x
2. Step 2: Convert to fraction form
   1,691,940/3,662,664 = 3,662,664/x
3. Step 3: Cross multiply
   1,691,940x = 3,662,664 × 3,662,664
4. Step 4: Simplify right side
   1,691,940x = 13,415,107,576,896
5. Step 5: Solve for x
   x = 13,415,107,576,896/1,691,940
6. Step 6: Final answer
   x = 7,928,831.74