Finding the Third Proportional to 262,367,139 and 574,158,498

Step by Step Solution

1. Step 1: Write the proportion equation
   262,367,139 : 574,158,498 = 574,158,498 : x
2. Step 2: Convert to fraction form
   262,367,139/574,158,498 = 574,158,498/x
3. Step 3: Cross multiply
   262,367,139x = 574,158,498 × 574,158,498
4. Step 4: Simplify right side
   262,367,139x = 329,657,980,825,616,000
5. Step 5: Solve for x
   x = 329,657,980,825,616,000/262,367,139
6. Step 6: Final answer
   x = 1,256,475,876.06