Finding the Third Proportional to 215,541 and 437,227.88

Step by Step Solution

1. Step 1: Write the proportion equation
   215,541 : 437,227.88 = 437,227.88 : x
2. Step 2: Convert to fraction form
   215,541/437,227.88 = 437,227.88/x
3. Step 3: Cross multiply
   215,541x = 437,227.88 × 437,227.88
4. Step 4: Simplify right side
   215,541x = 191,168,214,677.02
5. Step 5: Solve for x
   x = 191,168,214,677.02/215,541
6. Step 6: Final answer
   x = 886,922.74