Finding the Third Proportional to 1,828,172 and 3,961,417

Step by Step Solution

1. Step 1: Write the proportion equation
   1,828,172 : 3,961,417 = 3,961,417 : x
2. Step 2: Convert to fraction form
   1,828,172/3,961,417 = 3,961,417/x
3. Step 3: Cross multiply
   1,828,172x = 3,961,417 × 3,961,417
4. Step 4: Simplify right side
   1,828,172x = 15,692,824,647,889
5. Step 5: Solve for x
   x = 15,692,824,647,889/1,828,172
6. Step 6: Final answer
   x = 8,583,888.52