Finding the Third Proportional to 19,836,225 and 30,638,689.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,836,225 : 30,638,689.50 = 30,638,689.50 : x
2. Step 2: Convert to fraction form
   19,836,225/30,638,689.50 = 30,638,689.50/x
3. Step 3: Cross multiply
   19,836,225x = 30,638,689.50 × 30,638,689.50
4. Step 4: Simplify right side
   19,836,225x = 938,729,294,277,410.25
5. Step 5: Solve for x
   x = 938,729,294,277,410.25/19,836,225
6. Step 6: Final answer
   x = 47,323,989.03