Finding the Third Proportional to 19,836,224 and 30,638,688

Step by Step Solution

1. Step 1: Write the proportion equation
   19,836,224 : 30,638,688 = 30,638,688 : x
2. Step 2: Convert to fraction form
   19,836,224/30,638,688 = 30,638,688/x
3. Step 3: Cross multiply
   19,836,224x = 30,638,688 × 30,638,688
4. Step 4: Simplify right side
   19,836,224x = 938,729,202,361,344
5. Step 5: Solve for x
   x = 938,729,202,361,344/19,836,224
6. Step 6: Final answer
   x = 47,323,986.78