Finding the Third Proportional to 1,901,920 and 4,177,056

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901,920 : 4,177,056 = 4,177,056 : x
2. Step 2: Convert to fraction form
   1,901,920/4,177,056 = 4,177,056/x
3. Step 3: Cross multiply
   1,901,920x = 4,177,056 × 4,177,056
4. Step 4: Simplify right side
   1,901,920x = 17,447,796,827,136
5. Step 5: Solve for x
   x = 17,447,796,827,136/1,901,920
6. Step 6: Final answer
   x = 9,173,780.61