Finding the Third Proportional to 2,879,549,919 and 4,300,455,429

Step by Step Solution

1. Step 1: Write the proportion equation
   2,879,549,919 : 4,300,455,429 = 4,300,455,429 : x
2. Step 2: Convert to fraction form
   2,879,549,919/4,300,455,429 = 4,300,455,429/x
3. Step 3: Cross multiply
   2,879,549,919x = 4,300,455,429 × 4,300,455,429
4. Step 4: Simplify right side
   2,879,549,919x = 18,493,916,896,815,575,040
5. Step 5: Solve for x
   x = 18,493,916,896,815,575,040/2,879,549,919
6. Step 6: Final answer
   x = 6,422,502,619.17