Finding the Third Proportional to 9,218,224 and 13,279,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,218,224 : 13,279,222.50 = 13,279,222.50 : x
2. Step 2: Convert to fraction form
   9,218,224/13,279,222.50 = 13,279,222.50/x
3. Step 3: Cross multiply
   9,218,224x = 13,279,222.50 × 13,279,222.50
4. Step 4: Simplify right side
   9,218,224x = 176,337,750,204,506.25
5. Step 5: Solve for x
   x = 176,337,750,204,506.25/9,218,224
6. Step 6: Final answer
   x = 19,129,254.20