Finding the Third Proportional to 186,673.50 and 287,091

Step by Step Solution

1. Step 1: Write the proportion equation
   186,673.50 : 287,091 = 287,091 : x
2. Step 2: Convert to fraction form
   186,673.50/287,091 = 287,091/x
3. Step 3: Cross multiply
   186,673.50x = 287,091 × 287,091
4. Step 4: Simplify right side
   186,673.50x = 82,421,242,281
5. Step 5: Solve for x
   x = 82,421,242,281/186,673.50
6. Step 6: Final answer
   x = 441,526.21