Finding the Third Proportional to 4,813,778 and 10,572,392

Step by Step Solution

1. Step 1: Write the proportion equation
   4,813,778 : 10,572,392 = 10,572,392 : x
2. Step 2: Convert to fraction form
   4,813,778/10,572,392 = 10,572,392/x
3. Step 3: Cross multiply
   4,813,778x = 10,572,392 × 10,572,392
4. Step 4: Simplify right side
   4,813,778x = 111,775,472,601,664
5. Step 5: Solve for x
   x = 111,775,472,601,664/4,813,778
6. Step 6: Final answer
   x = 23,219,905.99