Finding the Third Proportional to 1,662,340 and 3,635,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,340 : 3,635,720 = 3,635,720 : x
2. Step 2: Convert to fraction form
   1,662,340/3,635,720 = 3,635,720/x
3. Step 3: Cross multiply
   1,662,340x = 3,635,720 × 3,635,720
4. Step 4: Simplify right side
   1,662,340x = 13,218,459,918,400
5. Step 5: Solve for x
   x = 13,218,459,918,400/1,662,340
6. Step 6: Final answer
   x = 7,951,718.61