Finding the Third Proportional to 4,817,967 and 10,429,805

Step by Step Solution

1. Step 1: Write the proportion equation
   4,817,967 : 10,429,805 = 10,429,805 : x
2. Step 2: Convert to fraction form
   4,817,967/10,429,805 = 10,429,805/x
3. Step 3: Cross multiply
   4,817,967x = 10,429,805 × 10,429,805
4. Step 4: Simplify right side
   4,817,967x = 108,780,832,338,025
5. Step 5: Solve for x
   x = 108,780,832,338,025/4,817,967
6. Step 6: Final answer
   x = 22,578,160.53