Finding the Third Proportional to 100,941.75 and 212,340

Step by Step Solution

1. Step 1: Write the proportion equation
   100,941.75 : 212,340 = 212,340 : x
2. Step 2: Convert to fraction form
   100,941.75/212,340 = 212,340/x
3. Step 3: Cross multiply
   100,941.75x = 212,340 × 212,340
4. Step 4: Simplify right side
   100,941.75x = 45,088,275,600
5. Step 5: Solve for x
   x = 45,088,275,600/100,941.75
6. Step 6: Final answer
   x = 446,676.18