Finding the Third Proportional to 188,118 and 401,748.75

Step by Step Solution

1. Step 1: Write the proportion equation
   188,118 : 401,748.75 = 401,748.75 : x
2. Step 2: Convert to fraction form
   188,118/401,748.75 = 401,748.75/x
3. Step 3: Cross multiply
   188,118x = 401,748.75 × 401,748.75
4. Step 4: Simplify right side
   188,118x = 161,402,058,126.56
5. Step 5: Solve for x
   x = 161,402,058,126.56/188,118
6. Step 6: Final answer
   x = 857,983.06