Finding the Third Proportional to 25,290,879 and 59,682,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,290,879 : 59,682,799.50 = 59,682,799.50 : x
2. Step 2: Convert to fraction form
   25,290,879/59,682,799.50 = 59,682,799.50/x
3. Step 3: Cross multiply
   25,290,879x = 59,682,799.50 × 59,682,799.50
4. Step 4: Simplify right side
   25,290,879x = 3,562,036,556,157,200
5. Step 5: Solve for x
   x = 3,562,036,556,157,200/25,290,879
6. Step 6: Final answer
   x = 140,842,734.50