Finding the Third Proportional to 20,947,965 and 32,511,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,947,965 : 32,511,256.50 = 32,511,256.50 : x
2. Step 2: Convert to fraction form
   20,947,965/32,511,256.50 = 32,511,256.50/x
3. Step 3: Cross multiply
   20,947,965x = 32,511,256.50 × 32,511,256.50
4. Step 4: Simplify right side
   20,947,965x = 1,056,981,799,208,792.25
5. Step 5: Solve for x
   x = 1,056,981,799,208,792.25/20,947,965
6. Step 6: Final answer
   x = 50,457,493.09