Finding the Third Proportional to 367,333.50 and 556,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   367,333.50 : 556,543.50 = 556,543.50 : x
2. Step 2: Convert to fraction form
   367,333.50/556,543.50 = 556,543.50/x
3. Step 3: Cross multiply
   367,333.50x = 556,543.50 × 556,543.50
4. Step 4: Simplify right side
   367,333.50x = 309,740,667,392.25
5. Step 5: Solve for x
   x = 309,740,667,392.25/367,333.50
6. Step 6: Final answer
   x = 843,213.78