Finding the Third Proportional to 77,355 and 123,086.81

Step by Step Solution

1. Step 1: Write the proportion equation
   77,355 : 123,086.81 = 123,086.81 : x
2. Step 2: Convert to fraction form
   77,355/123,086.81 = 123,086.81/x
3. Step 3: Cross multiply
   77,355x = 123,086.81 × 123,086.81
4. Step 4: Simplify right side
   77,355x = 15,150,363,411.41
5. Step 5: Solve for x
   x = 15,150,363,411.41/77,355
6. Step 6: Final answer
   x = 195,855.00