Finding the Third Proportional to 10,399,312 and 16,228,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,399,312 : 16,228,522.50 = 16,228,522.50 : x
2. Step 2: Convert to fraction form
   10,399,312/16,228,522.50 = 16,228,522.50/x
3. Step 3: Cross multiply
   10,399,312x = 16,228,522.50 × 16,228,522.50
4. Step 4: Simplify right side
   10,399,312x = 263,364,942,533,006.25
5. Step 5: Solve for x
   x = 263,364,942,533,006.25/10,399,312
6. Step 6: Final answer
   x = 25,325,227.53