Finding the Third Proportional to 191,892 and 418,716

Step by Step Solution

1. Step 1: Write the proportion equation
   191,892 : 418,716 = 418,716 : x
2. Step 2: Convert to fraction form
   191,892/418,716 = 418,716/x
3. Step 3: Cross multiply
   191,892x = 418,716 × 418,716
4. Step 4: Simplify right side
   191,892x = 175,323,088,656
5. Step 5: Solve for x
   x = 175,323,088,656/191,892
6. Step 6: Final answer
   x = 913,655.02