Finding the Third Proportional to 16,265,521.50 and 21,684,941.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,265,521.50 : 21,684,941.25 = 21,684,941.25 : x
2. Step 2: Convert to fraction form
   16,265,521.50/21,684,941.25 = 21,684,941.25/x
3. Step 3: Cross multiply
   16,265,521.50x = 21,684,941.25 × 21,684,941.25
4. Step 4: Simplify right side
   16,265,521.50x = 470,236,677,015,951.56
5. Step 5: Solve for x
   x = 470,236,677,015,951.56/16,265,521.50
6. Step 6: Final answer
   x = 28,910,027.69