Finding the Third Proportional to 1,148,864 and 1,609,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148,864 : 1,609,920 = 1,609,920 : x
2. Step 2: Convert to fraction form
   1,148,864/1,609,920 = 1,609,920/x
3. Step 3: Cross multiply
   1,148,864x = 1,609,920 × 1,609,920
4. Step 4: Simplify right side
   1,148,864x = 2,591,842,406,400
5. Step 5: Solve for x
   x = 2,591,842,406,400/1,148,864
6. Step 6: Final answer
   x = 2,256,004.55