Finding the Third Proportional to 104,076 and 215,536

Step by Step Solution

1. Step 1: Write the proportion equation
   104,076 : 215,536 = 215,536 : x
2. Step 2: Convert to fraction form
   104,076/215,536 = 215,536/x
3. Step 3: Cross multiply
   104,076x = 215,536 × 215,536
4. Step 4: Simplify right side
   104,076x = 46,455,767,296
5. Step 5: Solve for x
   x = 46,455,767,296/104,076
6. Step 6: Final answer
   x = 446,363.88