Finding the Third Proportional to 7,856,456 and 16,913,616

Step by Step Solution

1. Step 1: Write the proportion equation
   7,856,456 : 16,913,616 = 16,913,616 : x
2. Step 2: Convert to fraction form
   7,856,456/16,913,616 = 16,913,616/x
3. Step 3: Cross multiply
   7,856,456x = 16,913,616 × 16,913,616
4. Step 4: Simplify right side
   7,856,456x = 286,070,406,195,456
5. Step 5: Solve for x
   x = 286,070,406,195,456/7,856,456
6. Step 6: Final answer
   x = 36,412,143.87