Finding the Third Proportional to 20,821,351.50 and 31,109,555.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,821,351.50 : 31,109,555.25 = 31,109,555.25 : x
2. Step 2: Convert to fraction form
   20,821,351.50/31,109,555.25 = 31,109,555.25/x
3. Step 3: Cross multiply
   20,821,351.50x = 31,109,555.25 × 31,109,555.25
4. Step 4: Simplify right side
   20,821,351.50x = 967,804,427,852,802.50
5. Step 5: Solve for x
   x = 967,804,427,852,802.50/20,821,351.50
6. Step 6: Final answer
   x = 46,481,345.26