Finding the Third Proportional to 103,681 and 152,211

Step by Step Solution

1. Step 1: Write the proportion equation
   103,681 : 152,211 = 152,211 : x
2. Step 2: Convert to fraction form
   103,681/152,211 = 152,211/x
3. Step 3: Cross multiply
   103,681x = 152,211 × 152,211
4. Step 4: Simplify right side
   103,681x = 23,168,188,521
5. Step 5: Solve for x
   x = 23,168,188,521/103,681
6. Step 6: Final answer
   x = 223,456.45