Finding the Third Proportional to 42,438.94 and 92,179.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,438.94 : 92,179.69 = 92,179.69 : x
2. Step 2: Convert to fraction form
   42,438.94/92,179.69 = 92,179.69/x
3. Step 3: Cross multiply
   42,438.94x = 92,179.69 × 92,179.69
4. Step 4: Simplify right side
   42,438.94x = 8,497,094,787.60
5. Step 5: Solve for x
   x = 8,497,094,787.60/42,438.94
6. Step 6: Final answer
   x = 200,219.31