Finding the Third Proportional to 17,320 and 37,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,320 : 37,407.50 = 37,407.50 : x
2. Step 2: Convert to fraction form
   17,320/37,407.50 = 37,407.50/x
3. Step 3: Cross multiply
   17,320x = 37,407.50 × 37,407.50
4. Step 4: Simplify right side
   17,320x = 1,399,321,056.25
5. Step 5: Solve for x
   x = 1,399,321,056.25/17,320
6. Step 6: Final answer
   x = 80,792.21