Finding the Third Proportional to 1,680,552 and 3,687,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680,552 : 3,687,648 = 3,687,648 : x
2. Step 2: Convert to fraction form
   1,680,552/3,687,648 = 3,687,648/x
3. Step 3: Cross multiply
   1,680,552x = 3,687,648 × 3,687,648
4. Step 4: Simplify right side
   1,680,552x = 13,598,747,771,904
5. Step 5: Solve for x
   x = 13,598,747,771,904/1,680,552
6. Step 6: Final answer
   x = 8,091,833.98