Finding the Third Proportional to 19,781,288 and 41,688,016

Step by Step Solution

1. Step 1: Write the proportion equation
   19,781,288 : 41,688,016 = 41,688,016 : x
2. Step 2: Convert to fraction form
   19,781,288/41,688,016 = 41,688,016/x
3. Step 3: Cross multiply
   19,781,288x = 41,688,016 × 41,688,016
4. Step 4: Simplify right side
   19,781,288x = 1,737,890,678,016,256
5. Step 5: Solve for x
   x = 1,737,890,678,016,256/19,781,288
6. Step 6: Final answer
   x = 87,855,284.15