Finding the Third Proportional to 77,359 and 123,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,359 : 123,090.50 = 123,090.50 : x
2. Step 2: Convert to fraction form
   77,359/123,090.50 = 123,090.50/x
3. Step 3: Cross multiply
   77,359x = 123,090.50 × 123,090.50
4. Step 4: Simplify right side
   77,359x = 15,151,271,190.25
5. Step 5: Solve for x
   x = 15,151,271,190.25/77,359
6. Step 6: Final answer
   x = 195,856.61