Finding the Third Proportional to 190,088 and 401,632

Step by Step Solution

1. Step 1: Write the proportion equation
   190,088 : 401,632 = 401,632 : x
2. Step 2: Convert to fraction form
   190,088/401,632 = 401,632/x
3. Step 3: Cross multiply
   190,088x = 401,632 × 401,632
4. Step 4: Simplify right side
   190,088x = 161,308,263,424
5. Step 5: Solve for x
   x = 161,308,263,424/190,088
6. Step 6: Final answer
   x = 848,597.83