Finding the Third Proportional to 173,890 and 366,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,890 : 366,461.50 = 366,461.50 : x
2. Step 2: Convert to fraction form
   173,890/366,461.50 = 366,461.50/x
3. Step 3: Cross multiply
   173,890x = 366,461.50 × 366,461.50
4. Step 4: Simplify right side
   173,890x = 134,294,030,982.25
5. Step 5: Solve for x
   x = 134,294,030,982.25/173,890
6. Step 6: Final answer
   x = 772,293.01