Finding the Third Proportional to 191,126 and 267,321

Step by Step Solution

1. Step 1: Write the proportion equation
   191,126 : 267,321 = 267,321 : x
2. Step 2: Convert to fraction form
   191,126/267,321 = 267,321/x
3. Step 3: Cross multiply
   191,126x = 267,321 × 267,321
4. Step 4: Simplify right side
   191,126x = 71,460,517,041
5. Step 5: Solve for x
   x = 71,460,517,041/191,126
6. Step 6: Final answer
   x = 373,892.18