Finding the Third Proportional to 1,658,140 and 3,569,960

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658,140 : 3,569,960 = 3,569,960 : x
2. Step 2: Convert to fraction form
   1,658,140/3,569,960 = 3,569,960/x
3. Step 3: Cross multiply
   1,658,140x = 3,569,960 × 3,569,960
4. Step 4: Simplify right side
   1,658,140x = 12,744,614,401,600
5. Step 5: Solve for x
   x = 12,744,614,401,600/1,658,140
6. Step 6: Final answer
   x = 7,686,090.68