Finding the Third Proportional to 8,521,884.50 and 13,222,460

Step by Step Solution

1. Step 1: Write the proportion equation
   8,521,884.50 : 13,222,460 = 13,222,460 : x
2. Step 2: Convert to fraction form
   8,521,884.50/13,222,460 = 13,222,460/x
3. Step 3: Cross multiply
   8,521,884.50x = 13,222,460 × 13,222,460
4. Step 4: Simplify right side
   8,521,884.50x = 174,833,448,451,600
5. Step 5: Solve for x
   x = 174,833,448,451,600/8,521,884.50
6. Step 6: Final answer
   x = 20,515,820.00