Finding the Third Proportional to 178,305 and 371,554.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,305 : 371,554.50 = 371,554.50 : x
2. Step 2: Convert to fraction form
   178,305/371,554.50 = 371,554.50/x
3. Step 3: Cross multiply
   178,305x = 371,554.50 × 371,554.50
4. Step 4: Simplify right side
   178,305x = 138,052,746,470.25
5. Step 5: Solve for x
   x = 138,052,746,470.25/178,305
6. Step 6: Final answer
   x = 774,250.56