Finding the Third Proportional to 11,492,479 and 17,139,057

Step by Step Solution

1. Step 1: Write the proportion equation
   11,492,479 : 17,139,057 = 17,139,057 : x
2. Step 2: Convert to fraction form
   11,492,479/17,139,057 = 17,139,057/x
3. Step 3: Cross multiply
   11,492,479x = 17,139,057 × 17,139,057
4. Step 4: Simplify right side
   11,492,479x = 293,747,274,849,249
5. Step 5: Solve for x
   x = 293,747,274,849,249/11,492,479
6. Step 6: Final answer
   x = 25,559,957.50