Finding the Third Proportional to 19,705,681 and 31,379,750

Step by Step Solution

1. Step 1: Write the proportion equation
   19,705,681 : 31,379,750 = 31,379,750 : x
2. Step 2: Convert to fraction form
   19,705,681/31,379,750 = 31,379,750/x
3. Step 3: Cross multiply
   19,705,681x = 31,379,750 × 31,379,750
4. Step 4: Simplify right side
   19,705,681x = 984,688,710,062,500
5. Step 5: Solve for x
   x = 984,688,710,062,500/19,705,681
6. Step 6: Final answer
   x = 49,969,788.41