Finding the Third Proportional to 20,993,944 and 31,381,620

Step by Step Solution

1. Step 1: Write the proportion equation
   20,993,944 : 31,381,620 = 31,381,620 : x
2. Step 2: Convert to fraction form
   20,993,944/31,381,620 = 31,381,620/x
3. Step 3: Cross multiply
   20,993,944x = 31,381,620 × 31,381,620
4. Step 4: Simplify right side
   20,993,944x = 984,806,073,824,400
5. Step 5: Solve for x
   x = 984,806,073,824,400/20,993,944
6. Step 6: Final answer
   x = 46,909,055.00