Finding the Third Proportional to 50,535 and 78,468.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,535 : 78,468.50 = 78,468.50 : x
2. Step 2: Convert to fraction form
   50,535/78,468.50 = 78,468.50/x
3. Step 3: Cross multiply
   50,535x = 78,468.50 × 78,468.50
4. Step 4: Simplify right side
   50,535x = 6,157,305,492.25
5. Step 5: Solve for x
   x = 6,157,305,492.25/50,535
6. Step 6: Final answer
   x = 121,842.40