Finding the Third Proportional to 3,737,161 and 8,172,254

Step by Step Solution

1. Step 1: Write the proportion equation
   3,737,161 : 8,172,254 = 8,172,254 : x
2. Step 2: Convert to fraction form
   3,737,161/8,172,254 = 8,172,254/x
3. Step 3: Cross multiply
   3,737,161x = 8,172,254 × 8,172,254
4. Step 4: Simplify right side
   3,737,161x = 66,785,735,440,516
5. Step 5: Solve for x
   x = 66,785,735,440,516/3,737,161
6. Step 6: Final answer
   x = 17,870,714.01