Finding the Third Proportional to 50,152.61 and 77,906.99

Step by Step Solution

1. Step 1: Write the proportion equation
   50,152.61 : 77,906.99 = 77,906.99 : x
2. Step 2: Convert to fraction form
   50,152.61/77,906.99 = 77,906.99/x
3. Step 3: Cross multiply
   50,152.61x = 77,906.99 × 77,906.99
4. Step 4: Simplify right side
   50,152.61x = 6,069,498,823.05
5. Step 5: Solve for x
   x = 6,069,498,823.05/50,152.61
6. Step 6: Final answer
   x = 121,020.61