Finding the Third Proportional to 1,057,978 and 1,609,111

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,978 : 1,609,111 = 1,609,111 : x
2. Step 2: Convert to fraction form
   1,057,978/1,609,111 = 1,609,111/x
3. Step 3: Cross multiply
   1,057,978x = 1,609,111 × 1,609,111
4. Step 4: Simplify right side
   1,057,978x = 2,589,238,210,321
5. Step 5: Solve for x
   x = 2,589,238,210,321/1,057,978
6. Step 6: Final answer
   x = 2,447,345.98