Finding the Third Proportional to 21,370,879.50 and 50,398,468.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,370,879.50 : 50,398,468.50 = 50,398,468.50 : x
2. Step 2: Convert to fraction form
   21,370,879.50/50,398,468.50 = 50,398,468.50/x
3. Step 3: Cross multiply
   21,370,879.50x = 50,398,468.50 × 50,398,468.50
4. Step 4: Simplify right side
   21,370,879.50x = 2,540,005,627,145,492
5. Step 5: Solve for x
   x = 2,540,005,627,145,492/21,370,879.50
6. Step 6: Final answer
   x = 118,853,584.25