Finding the Third Proportional to 1,642,458 and 3,511,902

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642,458 : 3,511,902 = 3,511,902 : x
2. Step 2: Convert to fraction form
   1,642,458/3,511,902 = 3,511,902/x
3. Step 3: Cross multiply
   1,642,458x = 3,511,902 × 3,511,902
4. Step 4: Simplify right side
   1,642,458x = 12,333,455,657,604
5. Step 5: Solve for x
   x = 12,333,455,657,604/1,642,458
6. Step 6: Final answer
   x = 7,509,145.23