Finding the Third Proportional to 4,817,989 and 10,429,848

Step by Step Solution

1. Step 1: Write the proportion equation
   4,817,989 : 10,429,848 = 10,429,848 : x
2. Step 2: Convert to fraction form
   4,817,989/10,429,848 = 10,429,848/x
3. Step 3: Cross multiply
   4,817,989x = 10,429,848 × 10,429,848
4. Step 4: Simplify right side
   4,817,989x = 108,781,729,303,104
5. Step 5: Solve for x
   x = 108,781,729,303,104/4,817,989
6. Step 6: Final answer
   x = 22,578,243.60