Finding the Third Proportional to 8,864,946 and 19,411,380

Step by Step Solution

1. Step 1: Write the proportion equation
   8,864,946 : 19,411,380 = 19,411,380 : x
2. Step 2: Convert to fraction form
   8,864,946/19,411,380 = 19,411,380/x
3. Step 3: Cross multiply
   8,864,946x = 19,411,380 × 19,411,380
4. Step 4: Simplify right side
   8,864,946x = 376,801,673,504,400
5. Step 5: Solve for x
   x = 376,801,673,504,400/8,864,946
6. Step 6: Final answer
   x = 42,504,677.81