Finding the Third Proportional to 260,994 and 556,150

Step by Step Solution

1. Step 1: Write the proportion equation
   260,994 : 556,150 = 556,150 : x
2. Step 2: Convert to fraction form
   260,994/556,150 = 556,150/x
3. Step 3: Cross multiply
   260,994x = 556,150 × 556,150
4. Step 4: Simplify right side
   260,994x = 309,302,822,500
5. Step 5: Solve for x
   x = 309,302,822,500/260,994
6. Step 6: Final answer
   x = 1,185,095.53