Finding the Third Proportional to 2,217,460 and 4,696,664

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217,460 : 4,696,664 = 4,696,664 : x
2. Step 2: Convert to fraction form
   2,217,460/4,696,664 = 4,696,664/x
3. Step 3: Cross multiply
   2,217,460x = 4,696,664 × 4,696,664
4. Step 4: Simplify right side
   2,217,460x = 22,058,652,728,896
5. Step 5: Solve for x
   x = 22,058,652,728,896/2,217,460
6. Step 6: Final answer
   x = 9,947,711.67