Finding the Third Proportional to 1,279,799,919 and 1,911,313,462.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,799,919 : 1,911,313,462.50 = 1,911,313,462.50 : x
2. Step 2: Convert to fraction form
   1,279,799,919/1,911,313,462.50 = 1,911,313,462.50/x
3. Step 3: Cross multiply
   1,279,799,919x = 1,911,313,462.50 × 1,911,313,462.50
4. Step 4: Simplify right side
   1,279,799,919x = 3,653,119,151,933,739,008
5. Step 5: Solve for x
   x = 3,653,119,151,933,739,008/1,279,799,919
6. Step 6: Final answer
   x = 2,854,445,525.19