Finding the Third Proportional to 7,980,218.50 and 12,382,023.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,980,218.50 : 12,382,023.25 = 12,382,023.25 : x
2. Step 2: Convert to fraction form
   7,980,218.50/12,382,023.25 = 12,382,023.25/x
3. Step 3: Cross multiply
   7,980,218.50x = 12,382,023.25 × 12,382,023.25
4. Step 4: Simplify right side
   7,980,218.50x = 153,314,499,763,540.56
5. Step 5: Solve for x
   x = 153,314,499,763,540.56/7,980,218.50
6. Step 6: Final answer
   x = 19,211,817.29