Finding the Third Proportional to 71,307 and 100,854

Step by Step Solution

1. Step 1: Write the proportion equation
   71,307 : 100,854 = 100,854 : x
2. Step 2: Convert to fraction form
   71,307/100,854 = 100,854/x
3. Step 3: Cross multiply
   71,307x = 100,854 × 100,854
4. Step 4: Simplify right side
   71,307x = 10,171,529,316
5. Step 5: Solve for x
   x = 10,171,529,316/71,307
6. Step 6: Final answer
   x = 142,644.19