Finding the Third Proportional to 6,404,545 and 13,946,243

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404,545 : 13,946,243 = 13,946,243 : x
2. Step 2: Convert to fraction form
   6,404,545/13,946,243 = 13,946,243/x
3. Step 3: Cross multiply
   6,404,545x = 13,946,243 × 13,946,243
4. Step 4: Simplify right side
   6,404,545x = 194,497,693,815,049
5. Step 5: Solve for x
   x = 194,497,693,815,049/6,404,545
6. Step 6: Final answer
   x = 30,368,698.14