Finding the Third Proportional to 69,432 and 151,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,432 : 151,408.50 = 151,408.50 : x
2. Step 2: Convert to fraction form
   69,432/151,408.50 = 151,408.50/x
3. Step 3: Cross multiply
   69,432x = 151,408.50 × 151,408.50
4. Step 4: Simplify right side
   69,432x = 22,924,533,872.25
5. Step 5: Solve for x
   x = 22,924,533,872.25/69,432
6. Step 6: Final answer
   x = 330,172.45