Finding the Third Proportional to 166,899 and 371,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,899 : 371,113.50 = 371,113.50 : x
2. Step 2: Convert to fraction form
   166,899/371,113.50 = 371,113.50/x
3. Step 3: Cross multiply
   166,899x = 371,113.50 × 371,113.50
4. Step 4: Simplify right side
   166,899x = 137,725,229,882.25
5. Step 5: Solve for x
   x = 137,725,229,882.25/166,899
6. Step 6: Final answer
   x = 825,201.05