Finding the Third Proportional to 74,928 and 160,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,928 : 160,543.50 = 160,543.50 : x
2. Step 2: Convert to fraction form
   74,928/160,543.50 = 160,543.50/x
3. Step 3: Cross multiply
   74,928x = 160,543.50 × 160,543.50
4. Step 4: Simplify right side
   74,928x = 25,774,215,392.25
5. Step 5: Solve for x
   x = 25,774,215,392.25/74,928
6. Step 6: Final answer
   x = 343,986.43