Finding the Third Proportional to 1,906,040 and 4,185,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906,040 : 4,185,328 = 4,185,328 : x
2. Step 2: Convert to fraction form
   1,906,040/4,185,328 = 4,185,328/x
3. Step 3: Cross multiply
   1,906,040x = 4,185,328 × 4,185,328
4. Step 4: Simplify right side
   1,906,040x = 17,516,970,467,584
5. Step 5: Solve for x
   x = 17,516,970,467,584/1,906,040
6. Step 6: Final answer
   x = 9,190,242.84