Finding the Third Proportional to 2,021,213 and 2,972,668

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,213 : 2,972,668 = 2,972,668 : x
2. Step 2: Convert to fraction form
   2,021,213/2,972,668 = 2,972,668/x
3. Step 3: Cross multiply
   2,021,213x = 2,972,668 × 2,972,668
4. Step 4: Simplify right side
   2,021,213x = 8,836,755,038,224
5. Step 5: Solve for x
   x = 8,836,755,038,224/2,021,213
6. Step 6: Final answer
   x = 4,372,005.84