Finding the Third Proportional to 20,862,091.50 and 31,913,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,862,091.50 : 31,913,149.50 = 31,913,149.50 : x
2. Step 2: Convert to fraction form
   20,862,091.50/31,913,149.50 = 31,913,149.50/x
3. Step 3: Cross multiply
   20,862,091.50x = 31,913,149.50 × 31,913,149.50
4. Step 4: Simplify right side
   20,862,091.50x = 1,018,449,111,009,350.25
5. Step 5: Solve for x
   x = 1,018,449,111,009,350.25/20,862,091.50
6. Step 6: Final answer
   x = 48,818,169.12