Finding the Third Proportional to 3,980,539 and 5,964,553

Step by Step Solution

1. Step 1: Write the proportion equation
   3,980,539 : 5,964,553 = 5,964,553 : x
2. Step 2: Convert to fraction form
   3,980,539/5,964,553 = 5,964,553/x
3. Step 3: Cross multiply
   3,980,539x = 5,964,553 × 5,964,553
4. Step 4: Simplify right side
   3,980,539x = 35,575,892,489,809
5. Step 5: Solve for x
   x = 35,575,892,489,809/3,980,539
6. Step 6: Final answer
   x = 8,937,456.08