Finding the Third Proportional to 1,585,980 and 3,525,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585,980 : 3,525,120 = 3,525,120 : x
2. Step 2: Convert to fraction form
   1,585,980/3,525,120 = 3,525,120/x
3. Step 3: Cross multiply
   1,585,980x = 3,525,120 × 3,525,120
4. Step 4: Simplify right side
   1,585,980x = 12,426,471,014,400
5. Step 5: Solve for x
   x = 12,426,471,014,400/1,585,980
6. Step 6: Final answer
   x = 7,835,200.33