Finding the Third Proportional to 367,060.50 and 680,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   367,060.50 : 680,719.50 = 680,719.50 : x
2. Step 2: Convert to fraction form
   367,060.50/680,719.50 = 680,719.50/x
3. Step 3: Cross multiply
   367,060.50x = 680,719.50 × 680,719.50
4. Step 4: Simplify right side
   367,060.50x = 463,379,037,680.25
5. Step 5: Solve for x
   x = 463,379,037,680.25/367,060.50
6. Step 6: Final answer
   x = 1,262,405.07