Finding the Third Proportional to 4,946,272 and 10,423,908

Step by Step Solution

1. Step 1: Write the proportion equation
   4,946,272 : 10,423,908 = 10,423,908 : x
2. Step 2: Convert to fraction form
   4,946,272/10,423,908 = 10,423,908/x
3. Step 3: Cross multiply
   4,946,272x = 10,423,908 × 10,423,908
4. Step 4: Simplify right side
   4,946,272x = 108,657,857,992,464
5. Step 5: Solve for x
   x = 108,657,857,992,464/4,946,272
6. Step 6: Final answer
   x = 21,967,626.93