Finding the Third Proportional to 9,781,544.25 and 21,452,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781,544.25 : 21,452,656.50 = 21,452,656.50 : x
2. Step 2: Convert to fraction form
   9,781,544.25/21,452,656.50 = 21,452,656.50/x
3. Step 3: Cross multiply
   9,781,544.25x = 21,452,656.50 × 21,452,656.50
4. Step 4: Simplify right side
   9,781,544.25x = 460,216,470,906,992.25
5. Step 5: Solve for x
   x = 460,216,470,906,992.25/9,781,544.25
6. Step 6: Final answer
   x = 47,049,469.81