Finding the Third Proportional to 1,142,523,819.38 and 1,578,708,367.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,523,819.38 : 1,578,708,367.69 = 1,578,708,367.69 : x
2. Step 2: Convert to fraction form
   1,142,523,819.38/1,578,708,367.69 = 1,578,708,367.69/x
3. Step 3: Cross multiply
   1,142,523,819.38x = 1,578,708,367.69 × 1,578,708,367.69
4. Step 4: Simplify right side
   1,142,523,819.38x = 2,492,320,110,206,530,560
5. Step 5: Solve for x
   x = 2,492,320,110,206,530,560/1,142,523,819.38
6. Step 6: Final answer
   x = 2,181,416,324.06