Finding the Third Proportional to 16,831,804.50 and 36,354,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,831,804.50 : 36,354,022.50 = 36,354,022.50 : x
2. Step 2: Convert to fraction form
   16,831,804.50/36,354,022.50 = 36,354,022.50/x
3. Step 3: Cross multiply
   16,831,804.50x = 36,354,022.50 × 36,354,022.50
4. Step 4: Simplify right side
   16,831,804.50x = 1,321,614,951,930,506.25
5. Step 5: Solve for x
   x = 1,321,614,951,930,506.25/16,831,804.50
6. Step 6: Final answer
   x = 78,518,910.55