Finding the Third Proportional to 16,000,578 and 25,418,043

Step by Step Solution

1. Step 1: Write the proportion equation
   16,000,578 : 25,418,043 = 25,418,043 : x
2. Step 2: Convert to fraction form
   16,000,578/25,418,043 = 25,418,043/x
3. Step 3: Cross multiply
   16,000,578x = 25,418,043 × 25,418,043
4. Step 4: Simplify right side
   16,000,578x = 646,076,909,949,849
5. Step 5: Solve for x
   x = 646,076,909,949,849/16,000,578
6. Step 6: Final answer
   x = 40,378,348.20