Finding the Third Proportional to 7,980,312 and 12,382,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,980,312 : 12,382,150.50 = 12,382,150.50 : x
2. Step 2: Convert to fraction form
   7,980,312/12,382,150.50 = 12,382,150.50/x
3. Step 3: Cross multiply
   7,980,312x = 12,382,150.50 × 12,382,150.50
4. Step 4: Simplify right side
   7,980,312x = 153,317,651,004,650.25
5. Step 5: Solve for x
   x = 153,317,651,004,650.25/7,980,312
6. Step 6: Final answer
   x = 19,211,987.08