Finding the Third Proportional to 1,661,520 and 3,602,976

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661,520 : 3,602,976 = 3,602,976 : x
2. Step 2: Convert to fraction form
   1,661,520/3,602,976 = 3,602,976/x
3. Step 3: Cross multiply
   1,661,520x = 3,602,976 × 3,602,976
4. Step 4: Simplify right side
   1,661,520x = 12,981,436,056,576
5. Step 5: Solve for x
   x = 12,981,436,056,576/1,661,520
6. Step 6: Final answer
   x = 7,812,988.14