Finding the Third Proportional to 255,051.91 and 556,730.72

Step by Step Solution

1. Step 1: Write the proportion equation
   255,051.91 : 556,730.72 = 556,730.72 : x
2. Step 2: Convert to fraction form
   255,051.91/556,730.72 = 556,730.72/x
3. Step 3: Cross multiply
   255,051.91x = 556,730.72 × 556,730.72
4. Step 4: Simplify right side
   255,051.91x = 309,949,093,199.89
5. Step 5: Solve for x
   x = 309,949,093,199.89/255,051.91
6. Step 6: Final answer
   x = 1,215,239.24