Finding the Third Proportional to 745,538 and 1,609,120

Step by Step Solution

1. Step 1: Write the proportion equation
   745,538 : 1,609,120 = 1,609,120 : x
2. Step 2: Convert to fraction form
   745,538/1,609,120 = 1,609,120/x
3. Step 3: Cross multiply
   745,538x = 1,609,120 × 1,609,120
4. Step 4: Simplify right side
   745,538x = 2,589,267,174,400
5. Step 5: Solve for x
   x = 2,589,267,174,400/745,538
6. Step 6: Final answer
   x = 3,473,018.38