Finding the Third Proportional to 91,160 and 191,536

Step by Step Solution

1. Step 1: Write the proportion equation
   91,160 : 191,536 = 191,536 : x
2. Step 2: Convert to fraction form
   91,160/191,536 = 191,536/x
3. Step 3: Cross multiply
   91,160x = 191,536 × 191,536
4. Step 4: Simplify right side
   91,160x = 36,686,039,296
5. Step 5: Solve for x
   x = 36,686,039,296/91,160
6. Step 6: Final answer
   x = 402,435.71