Finding the Third Proportional to 90,070 and 194,100

Step by Step Solution

1. Step 1: Write the proportion equation
   90,070 : 194,100 = 194,100 : x
2. Step 2: Convert to fraction form
   90,070/194,100 = 194,100/x
3. Step 3: Cross multiply
   90,070x = 194,100 × 194,100
4. Step 4: Simplify right side
   90,070x = 37,674,810,000
5. Step 5: Solve for x
   x = 37,674,810,000/90,070
6. Step 6: Final answer
   x = 418,283.67