Finding the Third Proportional to 19,705,683 and 31,379,753

Step by Step Solution

1. Step 1: Write the proportion equation
   19,705,683 : 31,379,753 = 31,379,753 : x
2. Step 2: Convert to fraction form
   19,705,683/31,379,753 = 31,379,753/x
3. Step 3: Cross multiply
   19,705,683x = 31,379,753 × 31,379,753
4. Step 4: Simplify right side
   19,705,683x = 984,688,898,341,009
5. Step 5: Solve for x
   x = 984,688,898,341,009/19,705,683
6. Step 6: Final answer
   x = 49,969,792.89