Finding the Third Proportional to 8,510,484 and 12,774,456

Step by Step Solution

1. Step 1: Write the proportion equation
   8,510,484 : 12,774,456 = 12,774,456 : x
2. Step 2: Convert to fraction form
   8,510,484/12,774,456 = 12,774,456/x
3. Step 3: Cross multiply
   8,510,484x = 12,774,456 × 12,774,456
4. Step 4: Simplify right side
   8,510,484x = 163,186,726,095,936
5. Step 5: Solve for x
   x = 163,186,726,095,936/8,510,484
6. Step 6: Final answer
   x = 19,174,787.96