Finding the Third Proportional to 12,929,361 and 19,281,936

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929,361 : 19,281,936 = 19,281,936 : x
2. Step 2: Convert to fraction form
   12,929,361/19,281,936 = 19,281,936/x
3. Step 3: Cross multiply
   12,929,361x = 19,281,936 × 19,281,936
4. Step 4: Simplify right side
   12,929,361x = 371,793,055,908,096
5. Step 5: Solve for x
   x = 371,793,055,908,096/12,929,361
6. Step 6: Final answer
   x = 28,755,717.77