Finding the Third Proportional to 191,700 and 411,156

Step by Step Solution

1. Step 1: Write the proportion equation
   191,700 : 411,156 = 411,156 : x
2. Step 2: Convert to fraction form
   191,700/411,156 = 411,156/x
3. Step 3: Cross multiply
   191,700x = 411,156 × 411,156
4. Step 4: Simplify right side
   191,700x = 169,049,256,336
5. Step 5: Solve for x
   x = 169,049,256,336/191,700
6. Step 6: Final answer
   x = 881,842.76