Finding the Third Proportional to 91,108 and 200,153

Step by Step Solution

1. Step 1: Write the proportion equation
   91,108 : 200,153 = 200,153 : x
2. Step 2: Convert to fraction form
   91,108/200,153 = 200,153/x
3. Step 3: Cross multiply
   91,108x = 200,153 × 200,153
4. Step 4: Simplify right side
   91,108x = 40,061,223,409
5. Step 5: Solve for x
   x = 40,061,223,409/91,108
6. Step 6: Final answer
   x = 439,711.37