Finding the Third Proportional to 2,947,318 and 4,686,677

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947,318 : 4,686,677 = 4,686,677 : x
2. Step 2: Convert to fraction form
   2,947,318/4,686,677 = 4,686,677/x
3. Step 3: Cross multiply
   2,947,318x = 4,686,677 × 4,686,677
4. Step 4: Simplify right side
   2,947,318x = 21,964,941,302,329
5. Step 5: Solve for x
   x = 21,964,941,302,329/2,947,318
6. Step 6: Final answer
   x = 7,452,518.29