Finding the Third Proportional to 21,984,456 and 30,378,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,984,456 : 30,378,406.50 = 30,378,406.50 : x
2. Step 2: Convert to fraction form
   21,984,456/30,378,406.50 = 30,378,406.50/x
3. Step 3: Cross multiply
   21,984,456x = 30,378,406.50 × 30,378,406.50
4. Step 4: Simplify right side
   21,984,456x = 922,847,581,479,242.25
5. Step 5: Solve for x
   x = 922,847,581,479,242.25/21,984,456
6. Step 6: Final answer
   x = 41,977,276.19