Finding the Third Proportional to 21,323,280 and 30,389,976

Step by Step Solution

1. Step 1: Write the proportion equation
   21,323,280 : 30,389,976 = 30,389,976 : x
2. Step 2: Convert to fraction form
   21,323,280/30,389,976 = 30,389,976/x
3. Step 3: Cross multiply
   21,323,280x = 30,389,976 × 30,389,976
4. Step 4: Simplify right side
   21,323,280x = 923,550,641,280,576
5. Step 5: Solve for x
   x = 923,550,641,280,576/21,323,280
6. Step 6: Final answer
   x = 43,311,847.02