Finding the Third Proportional to 6,302,978 and 13,831,396

Step by Step Solution

1. Step 1: Write the proportion equation
   6,302,978 : 13,831,396 = 13,831,396 : x
2. Step 2: Convert to fraction form
   6,302,978/13,831,396 = 13,831,396/x
3. Step 3: Cross multiply
   6,302,978x = 13,831,396 × 13,831,396
4. Step 4: Simplify right side
   6,302,978x = 191,307,515,308,816
5. Step 5: Solve for x
   x = 191,307,515,308,816/6,302,978
6. Step 6: Final answer
   x = 30,351,924.96