Finding the Third Proportional to 11,818,772.50 and 25,879,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,818,772.50 : 25,879,561.50 = 25,879,561.50 : x
2. Step 2: Convert to fraction form
   11,818,772.50/25,879,561.50 = 25,879,561.50/x
3. Step 3: Cross multiply
   11,818,772.50x = 25,879,561.50 × 25,879,561.50
4. Step 4: Simplify right side
   11,818,772.50x = 669,751,703,432,282.25
5. Step 5: Solve for x
   x = 669,751,703,432,282.25/11,818,772.50
6. Step 6: Final answer
   x = 56,668,465.65