Finding the Third Proportional to 123,056 and 189,778

Step by Step Solution

1. Step 1: Write the proportion equation
   123,056 : 189,778 = 189,778 : x
2. Step 2: Convert to fraction form
   123,056/189,778 = 189,778/x
3. Step 3: Cross multiply
   123,056x = 189,778 × 189,778
4. Step 4: Simplify right side
   123,056x = 36,015,689,284
5. Step 5: Solve for x
   x = 36,015,689,284/123,056
6. Step 6: Final answer
   x = 292,677.23