Finding the Third Proportional to 9,403,492 and 12,993,491

Step by Step Solution

1. Step 1: Write the proportion equation
   9,403,492 : 12,993,491 = 12,993,491 : x
2. Step 2: Convert to fraction form
   9,403,492/12,993,491 = 12,993,491/x
3. Step 3: Cross multiply
   9,403,492x = 12,993,491 × 12,993,491
4. Step 4: Simplify right side
   9,403,492x = 168,830,808,367,081
5. Step 5: Solve for x
   x = 168,830,808,367,081/9,403,492
6. Step 6: Final answer
   x = 17,954,054.55