Finding the Third Proportional to 787,320 and 1,627,128

Step by Step Solution

1. Step 1: Write the proportion equation
   787,320 : 1,627,128 = 1,627,128 : x
2. Step 2: Convert to fraction form
   787,320/1,627,128 = 1,627,128/x
3. Step 3: Cross multiply
   787,320x = 1,627,128 × 1,627,128
4. Step 4: Simplify right side
   787,320x = 2,647,545,528,384
5. Step 5: Solve for x
   x = 2,647,545,528,384/787,320
6. Step 6: Final answer
   x = 3,362,731.20