Finding the Third Proportional to 260,947 and 556,066

Step by Step Solution

1. Step 1: Write the proportion equation
   260,947 : 556,066 = 556,066 : x
2. Step 2: Convert to fraction form
   260,947/556,066 = 556,066/x
3. Step 3: Cross multiply
   260,947x = 556,066 × 556,066
4. Step 4: Simplify right side
   260,947x = 309,209,396,356
5. Step 5: Solve for x
   x = 309,209,396,356/260,947
6. Step 6: Final answer
   x = 1,184,950.95