Finding the Third Proportional to 19,434,600 and 42,530,256

Step by Step Solution

1. Step 1: Write the proportion equation
   19,434,600 : 42,530,256 = 42,530,256 : x
2. Step 2: Convert to fraction form
   19,434,600/42,530,256 = 42,530,256/x
3. Step 3: Cross multiply
   19,434,600x = 42,530,256 × 42,530,256
4. Step 4: Simplify right side
   19,434,600x = 1,808,822,675,425,536
5. Step 5: Solve for x
   x = 1,808,822,675,425,536/19,434,600
6. Step 6: Final answer
   x = 93,072,287.33