Finding the Third Proportional to 6,436,981 and 13,403,082

Step by Step Solution

1. Step 1: Write the proportion equation
   6,436,981 : 13,403,082 = 13,403,082 : x
2. Step 2: Convert to fraction form
   6,436,981/13,403,082 = 13,403,082/x
3. Step 3: Cross multiply
   6,436,981x = 13,403,082 × 13,403,082
4. Step 4: Simplify right side
   6,436,981x = 179,642,607,098,724
5. Step 5: Solve for x
   x = 179,642,607,098,724/6,436,981
6. Step 6: Final answer
   x = 27,907,897.68