Finding the Third Proportional to 2,972,880 and 4,555,188

Step by Step Solution

1. Step 1: Write the proportion equation
   2,972,880 : 4,555,188 = 4,555,188 : x
2. Step 2: Convert to fraction form
   2,972,880/4,555,188 = 4,555,188/x
3. Step 3: Cross multiply
   2,972,880x = 4,555,188 × 4,555,188
4. Step 4: Simplify right side
   2,972,880x = 20,749,737,715,344
5. Step 5: Solve for x
   x = 20,749,737,715,344/2,972,880
6. Step 6: Final answer
   x = 6,979,675.51