Finding the Third Proportional to 99,435 and 193,830

Step by Step Solution

1. Step 1: Write the proportion equation
   99,435 : 193,830 = 193,830 : x
2. Step 2: Convert to fraction form
   99,435/193,830 = 193,830/x
3. Step 3: Cross multiply
   99,435x = 193,830 × 193,830
4. Step 4: Simplify right side
   99,435x = 37,570,068,900
5. Step 5: Solve for x
   x = 37,570,068,900/99,435
6. Step 6: Final answer
   x = 377,835.46