Finding the Third Proportional to 1,398,221 and 3,063,222

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,221 : 3,063,222 = 3,063,222 : x
2. Step 2: Convert to fraction form
   1,398,221/3,063,222 = 3,063,222/x
3. Step 3: Cross multiply
   1,398,221x = 3,063,222 × 3,063,222
4. Step 4: Simplify right side
   1,398,221x = 9,383,329,021,284
5. Step 5: Solve for x
   x = 9,383,329,021,284/1,398,221
6. Step 6: Final answer
   x = 6,710,905.52