Finding the Third Proportional to 215,469 and 437,094

Step by Step Solution

1. Step 1: Write the proportion equation
   215,469 : 437,094 = 437,094 : x
2. Step 2: Convert to fraction form
   215,469/437,094 = 437,094/x
3. Step 3: Cross multiply
   215,469x = 437,094 × 437,094
4. Step 4: Simplify right side
   215,469x = 191,051,164,836
5. Step 5: Solve for x
   x = 191,051,164,836/215,469
6. Step 6: Final answer
   x = 886,675.88