Finding the Third Proportional to 3,265,580,572.88 and 5,042,734,810.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,265,580,572.88 : 5,042,734,810.31 = 5,042,734,810.31 : x
2. Step 2: Convert to fraction form
   3,265,580,572.88/5,042,734,810.31 = 5,042,734,810.31/x
3. Step 3: Cross multiply
   3,265,580,572.88x = 5,042,734,810.31 × 5,042,734,810.31
4. Step 4: Simplify right side
   3,265,580,572.88x = 25,429,174,367,137,443,840
5. Step 5: Solve for x
   x = 25,429,174,367,137,443,840/3,265,580,572.88
6. Step 6: Final answer
   x = 7,787,030,146.60