Finding the Third Proportional to 17,385 and 37,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,385 : 37,390.50 = 37,390.50 : x
2. Step 2: Convert to fraction form
   17,385/37,390.50 = 37,390.50/x
3. Step 3: Cross multiply
   17,385x = 37,390.50 × 37,390.50
4. Step 4: Simplify right side
   17,385x = 1,398,049,490.25
5. Step 5: Solve for x
   x = 1,398,049,490.25/17,385
6. Step 6: Final answer
   x = 80,417.00