Finding the Third Proportional to 3,580,886 and 6,979,036

Step by Step Solution

1. Step 1: Write the proportion equation
   3,580,886 : 6,979,036 = 6,979,036 : x
2. Step 2: Convert to fraction form
   3,580,886/6,979,036 = 6,979,036/x
3. Step 3: Cross multiply
   3,580,886x = 6,979,036 × 6,979,036
4. Step 4: Simplify right side
   3,580,886x = 48,706,943,489,296
5. Step 5: Solve for x
   x = 48,706,943,489,296/3,580,886
6. Step 6: Final answer
   x = 13,601,925.19