Finding the Third Proportional to 191,620 and 403,084

Step by Step Solution

1. Step 1: Write the proportion equation
   191,620 : 403,084 = 403,084 : x
2. Step 2: Convert to fraction form
   191,620/403,084 = 403,084/x
3. Step 3: Cross multiply
   191,620x = 403,084 × 403,084
4. Step 4: Simplify right side
   191,620x = 162,476,711,056
5. Step 5: Solve for x
   x = 162,476,711,056/191,620
6. Step 6: Final answer
   x = 847,911.03