Finding the Third Proportional to 19,781,285 and 41,688,010

Step by Step Solution

1. Step 1: Write the proportion equation
   19,781,285 : 41,688,010 = 41,688,010 : x
2. Step 2: Convert to fraction form
   19,781,285/41,688,010 = 41,688,010/x
3. Step 3: Cross multiply
   19,781,285x = 41,688,010 × 41,688,010
4. Step 4: Simplify right side
   19,781,285x = 1,737,890,177,760,100
5. Step 5: Solve for x
   x = 1,737,890,177,760,100/19,781,285
6. Step 6: Final answer
   x = 87,855,272.18