Finding the Third Proportional to 209,160 and 458,334

Step by Step Solution

1. Step 1: Write the proportion equation
   209,160 : 458,334 = 458,334 : x
2. Step 2: Convert to fraction form
   209,160/458,334 = 458,334/x
3. Step 3: Cross multiply
   209,160x = 458,334 × 458,334
4. Step 4: Simplify right side
   209,160x = 210,070,055,556
5. Step 5: Solve for x
   x = 210,070,055,556/209,160
6. Step 6: Final answer
   x = 1,004,351.00