Finding the Third Proportional to 342,588 and 526,986

Step by Step Solution

1. Step 1: Write the proportion equation
   342,588 : 526,986 = 526,986 : x
2. Step 2: Convert to fraction form
   342,588/526,986 = 526,986/x
3. Step 3: Cross multiply
   342,588x = 526,986 × 526,986
4. Step 4: Simplify right side
   342,588x = 277,714,244,196
5. Step 5: Solve for x
   x = 277,714,244,196/342,588
6. Step 6: Final answer
   x = 810,636.23