Finding the Third Proportional to 3,615,020 and 7,790,344

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615,020 : 7,790,344 = 7,790,344 : x
2. Step 2: Convert to fraction form
   3,615,020/7,790,344 = 7,790,344/x
3. Step 3: Cross multiply
   3,615,020x = 7,790,344 × 7,790,344
4. Step 4: Simplify right side
   3,615,020x = 60,689,459,638,336
5. Step 5: Solve for x
   x = 60,689,459,638,336/3,615,020
6. Step 6: Final answer
   x = 16,788,139.38