Finding the Third Proportional to 4,193,744 and 9,172,492

Step by Step Solution

1. Step 1: Write the proportion equation
   4,193,744 : 9,172,492 = 9,172,492 : x
2. Step 2: Convert to fraction form
   4,193,744/9,172,492 = 9,172,492/x
3. Step 3: Cross multiply
   4,193,744x = 9,172,492 × 9,172,492
4. Step 4: Simplify right side
   4,193,744x = 84,134,609,490,064
5. Step 5: Solve for x
   x = 84,134,609,490,064/4,193,744
6. Step 6: Final answer
   x = 20,061,932.60