Finding the Third Proportional to 4,193,745 and 9,172,500

Step by Step Solution

1. Step 1: Write the proportion equation
   4,193,745 : 9,172,500 = 9,172,500 : x
2. Step 2: Convert to fraction form
   4,193,745/9,172,500 = 9,172,500/x
3. Step 3: Cross multiply
   4,193,745x = 9,172,500 × 9,172,500
4. Step 4: Simplify right side
   4,193,745x = 84,134,756,250,000
5. Step 5: Solve for x
   x = 84,134,756,250,000/4,193,745
6. Step 6: Final answer
   x = 20,061,962.82