Finding the Third Proportional to 19,434,591 and 42,530,238

Step by Step Solution

1. Step 1: Write the proportion equation
   19,434,591 : 42,530,238 = 42,530,238 : x
2. Step 2: Convert to fraction form
   19,434,591/42,530,238 = 42,530,238/x
3. Step 3: Cross multiply
   19,434,591x = 42,530,238 × 42,530,238
4. Step 4: Simplify right side
   19,434,591x = 1,808,821,144,336,644
5. Step 5: Solve for x
   x = 1,808,821,144,336,644/19,434,591
6. Step 6: Final answer
   x = 93,072,251.65