Finding the Third Proportional to 191,738 and 403,308

Step by Step Solution

1. Step 1: Write the proportion equation
   191,738 : 403,308 = 403,308 : x
2. Step 2: Convert to fraction form
   191,738/403,308 = 403,308/x
3. Step 3: Cross multiply
   191,738x = 403,308 × 403,308
4. Step 4: Simplify right side
   191,738x = 162,657,342,864
5. Step 5: Solve for x
   x = 162,657,342,864/191,738
6. Step 6: Final answer
   x = 848,331.28