Finding the Third Proportional to 77,973 and 123,959

Step by Step Solution

1. Step 1: Write the proportion equation
   77,973 : 123,959 = 123,959 : x
2. Step 2: Convert to fraction form
   77,973/123,959 = 123,959/x
3. Step 3: Cross multiply
   77,973x = 123,959 × 123,959
4. Step 4: Simplify right side
   77,973x = 15,365,833,681
5. Step 5: Solve for x
   x = 15,365,833,681/77,973
6. Step 6: Final answer
   x = 197,066.08