Finding the Third Proportional to 1,328,508 and 1,864,160

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,508 : 1,864,160 = 1,864,160 : x
2. Step 2: Convert to fraction form
   1,328,508/1,864,160 = 1,864,160/x
3. Step 3: Cross multiply
   1,328,508x = 1,864,160 × 1,864,160
4. Step 4: Simplify right side
   1,328,508x = 3,475,092,505,600
5. Step 5: Solve for x
   x = 3,475,092,505,600/1,328,508
6. Step 6: Final answer
   x = 2,615,785.91