Finding the Third Proportional to 4,016,359 and 8,685,333

Step by Step Solution

1. Step 1: Write the proportion equation
   4,016,359 : 8,685,333 = 8,685,333 : x
2. Step 2: Convert to fraction form
   4,016,359/8,685,333 = 8,685,333/x
3. Step 3: Cross multiply
   4,016,359x = 8,685,333 × 8,685,333
4. Step 4: Simplify right side
   4,016,359x = 75,435,009,320,889
5. Step 5: Solve for x
   x = 75,435,009,320,889/4,016,359
6. Step 6: Final answer
   x = 18,781,938.90