Finding the Third Proportional to 166,092 and 389,927.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,092 : 389,927.50 = 389,927.50 : x
2. Step 2: Convert to fraction form
   166,092/389,927.50 = 389,927.50/x
3. Step 3: Cross multiply
   166,092x = 389,927.50 × 389,927.50
4. Step 4: Simplify right side
   166,092x = 152,043,455,256.25
5. Step 5: Solve for x
   x = 152,043,455,256.25/166,092
6. Step 6: Final answer
   x = 915,417.09