Finding the Third Proportional to 12,171,712.50 and 25,701,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,171,712.50 : 25,701,556.50 = 25,701,556.50 : x
2. Step 2: Convert to fraction form
   12,171,712.50/25,701,556.50 = 25,701,556.50/x
3. Step 3: Cross multiply
   12,171,712.50x = 25,701,556.50 × 25,701,556.50
4. Step 4: Simplify right side
   12,171,712.50x = 660,570,006,522,692.25
5. Step 5: Solve for x
   x = 660,570,006,522,692.25/12,171,712.50
6. Step 6: Final answer
   x = 54,270,917.63