Finding the Third Proportional to 9,829,064 and 20,442,864

Step by Step Solution

1. Step 1: Write the proportion equation
   9,829,064 : 20,442,864 = 20,442,864 : x
2. Step 2: Convert to fraction form
   9,829,064/20,442,864 = 20,442,864/x
3. Step 3: Cross multiply
   9,829,064x = 20,442,864 × 20,442,864
4. Step 4: Simplify right side
   9,829,064x = 417,910,688,522,496
5. Step 5: Solve for x
   x = 417,910,688,522,496/9,829,064
6. Step 6: Final answer
   x = 42,517,852.01