Finding the Third Proportional to 1,696,720 and 3,659,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,696,720 : 3,659,120 = 3,659,120 : x
2. Step 2: Convert to fraction form
   1,696,720/3,659,120 = 3,659,120/x
3. Step 3: Cross multiply
   1,696,720x = 3,659,120 × 3,659,120
4. Step 4: Simplify right side
   1,696,720x = 13,389,159,174,400
5. Step 5: Solve for x
   x = 13,389,159,174,400/1,696,720
6. Step 6: Final answer
   x = 7,891,201.36