Finding the Third Proportional to 3,621,222 and 7,865,262

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621,222 : 7,865,262 = 7,865,262 : x
2. Step 2: Convert to fraction form
   3,621,222/7,865,262 = 7,865,262/x
3. Step 3: Cross multiply
   3,621,222x = 7,865,262 × 7,865,262
4. Step 4: Simplify right side
   3,621,222x = 61,862,346,328,644
5. Step 5: Solve for x
   x = 61,862,346,328,644/3,621,222
6. Step 6: Final answer
   x = 17,083,279.16