Finding the Third Proportional to 1,802,780 and 3,655,342

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802,780 : 3,655,342 = 3,655,342 : x
2. Step 2: Convert to fraction form
   1,802,780/3,655,342 = 3,655,342/x
3. Step 3: Cross multiply
   1,802,780x = 3,655,342 × 3,655,342
4. Step 4: Simplify right side
   1,802,780x = 13,361,525,136,964
5. Step 5: Solve for x
   x = 13,361,525,136,964/1,802,780
6. Step 6: Final answer
   x = 7,411,622.68