Finding the Third Proportional to 338,592.75 and 705,210

Step by Step Solution

1. Step 1: Write the proportion equation
   338,592.75 : 705,210 = 705,210 : x
2. Step 2: Convert to fraction form
   338,592.75/705,210 = 705,210/x
3. Step 3: Cross multiply
   338,592.75x = 705,210 × 705,210
4. Step 4: Simplify right side
   338,592.75x = 497,321,144,100
5. Step 5: Solve for x
   x = 497,321,144,100/338,592.75
6. Step 6: Final answer
   x = 1,468,788.52