Finding the Third Proportional to 16,352,840 and 34,400,656

Step by Step Solution

1. Step 1: Write the proportion equation
   16,352,840 : 34,400,656 = 34,400,656 : x
2. Step 2: Convert to fraction form
   16,352,840/34,400,656 = 34,400,656/x
3. Step 3: Cross multiply
   16,352,840x = 34,400,656 × 34,400,656
4. Step 4: Simplify right side
   16,352,840x = 1,183,405,133,230,336
5. Step 5: Solve for x
   x = 1,183,405,133,230,336/16,352,840
6. Step 6: Final answer
   x = 72,366,948.69