Finding the Third Proportional to 1,489,657 and 3,158,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,489,657 : 3,158,072 = 3,158,072 : x
2. Step 2: Convert to fraction form
   1,489,657/3,158,072 = 3,158,072/x
3. Step 3: Cross multiply
   1,489,657x = 3,158,072 × 3,158,072
4. Step 4: Simplify right side
   1,489,657x = 9,973,418,757,184
5. Step 5: Solve for x
   x = 9,973,418,757,184/1,489,657
6. Step 6: Final answer
   x = 6,695,110.86