Finding the Third Proportional to 88,457 and 194,290

Step by Step Solution

1. Step 1: Write the proportion equation
   88,457 : 194,290 = 194,290 : x
2. Step 2: Convert to fraction form
   88,457/194,290 = 194,290/x
3. Step 3: Cross multiply
   88,457x = 194,290 × 194,290
4. Step 4: Simplify right side
   88,457x = 37,748,604,100
5. Step 5: Solve for x
   x = 37,748,604,100/88,457
6. Step 6: Final answer
   x = 426,745.24