Finding the Third Proportional to 91,276 and 196,045

Step by Step Solution

1. Step 1: Write the proportion equation
   91,276 : 196,045 = 196,045 : x
2. Step 2: Convert to fraction form
   91,276/196,045 = 196,045/x
3. Step 3: Cross multiply
   91,276x = 196,045 × 196,045
4. Step 4: Simplify right side
   91,276x = 38,433,642,025
5. Step 5: Solve for x
   x = 38,433,642,025/91,276
6. Step 6: Final answer
   x = 421,070.62