Finding the Third Proportional to 50,008.50 and 77,409

Step by Step Solution

1. Step 1: Write the proportion equation
   50,008.50 : 77,409 = 77,409 : x
2. Step 2: Convert to fraction form
   50,008.50/77,409 = 77,409/x
3. Step 3: Cross multiply
   50,008.50x = 77,409 × 77,409
4. Step 4: Simplify right side
   50,008.50x = 5,992,153,281
5. Step 5: Solve for x
   x = 5,992,153,281/50,008.50
6. Step 6: Final answer
   x = 119,822.70