Finding the Third Proportional to 107,394 and 212,076.75

Step by Step Solution

1. Step 1: Write the proportion equation
   107,394 : 212,076.75 = 212,076.75 : x
2. Step 2: Convert to fraction form
   107,394/212,076.75 = 212,076.75/x
3. Step 3: Cross multiply
   107,394x = 212,076.75 × 212,076.75
4. Step 4: Simplify right side
   107,394x = 44,976,547,890.56
5. Step 5: Solve for x
   x = 44,976,547,890.56/107,394
6. Step 6: Final answer
   x = 418,799.45