Finding the Third Proportional to 19,434,596 and 42,530,246

Step by Step Solution

1. Step 1: Write the proportion equation
   19,434,596 : 42,530,246 = 42,530,246 : x
2. Step 2: Convert to fraction form
   19,434,596/42,530,246 = 42,530,246/x
3. Step 3: Cross multiply
   19,434,596x = 42,530,246 × 42,530,246
4. Step 4: Simplify right side
   19,434,596x = 1,808,821,824,820,516
5. Step 5: Solve for x
   x = 1,808,821,824,820,516/19,434,596
6. Step 6: Final answer
   x = 93,072,262.72