Finding the Third Proportional to 191,196 and 267,420

Step by Step Solution

1. Step 1: Write the proportion equation
   191,196 : 267,420 = 267,420 : x
2. Step 2: Convert to fraction form
   191,196/267,420 = 267,420/x
3. Step 3: Cross multiply
   191,196x = 267,420 × 267,420
4. Step 4: Simplify right side
   191,196x = 71,513,456,400
5. Step 5: Solve for x
   x = 71,513,456,400/191,196
6. Step 6: Final answer
   x = 374,032.18