Finding the Third Proportional to 8,205,688 and 17,856,272

Step by Step Solution

1. Step 1: Write the proportion equation
   8,205,688 : 17,856,272 = 17,856,272 : x
2. Step 2: Convert to fraction form
   8,205,688/17,856,272 = 17,856,272/x
3. Step 3: Cross multiply
   8,205,688x = 17,856,272 × 17,856,272
4. Step 4: Simplify right side
   8,205,688x = 318,846,449,737,984
5. Step 5: Solve for x
   x = 318,846,449,737,984/8,205,688
6. Step 6: Final answer
   x = 38,856,760.06