Finding the Third Proportional to 74,300 and 162,140

Step by Step Solution

1. Step 1: Write the proportion equation
   74,300 : 162,140 = 162,140 : x
2. Step 2: Convert to fraction form
   74,300/162,140 = 162,140/x
3. Step 3: Cross multiply
   74,300x = 162,140 × 162,140
4. Step 4: Simplify right side
   74,300x = 26,289,379,600
5. Step 5: Solve for x
   x = 26,289,379,600/74,300
6. Step 6: Final answer
   x = 353,827.45