Finding the Third Proportional to 2,197,971 and 4,686,264

Step by Step Solution

1. Step 1: Write the proportion equation
   2,197,971 : 4,686,264 = 4,686,264 : x
2. Step 2: Convert to fraction form
   2,197,971/4,686,264 = 4,686,264/x
3. Step 3: Cross multiply
   2,197,971x = 4,686,264 × 4,686,264
4. Step 4: Simplify right side
   2,197,971x = 21,961,070,277,696
5. Step 5: Solve for x
   x = 21,961,070,277,696/2,197,971
6. Step 6: Final answer
   x = 9,991,519.58