Finding the Third Proportional to 166,478 and 366,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,478 : 366,887.50 = 366,887.50 : x
2. Step 2: Convert to fraction form
   166,478/366,887.50 = 366,887.50/x
3. Step 3: Cross multiply
   166,478x = 366,887.50 × 366,887.50
4. Step 4: Simplify right side
   166,478x = 134,606,437,656.25
5. Step 5: Solve for x
   x = 134,606,437,656.25/166,478
6. Step 6: Final answer
   x = 808,553.91