Finding the Third Proportional to 366,873 and 555,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   366,873 : 555,442.50 = 555,442.50 : x
2. Step 2: Convert to fraction form
   366,873/555,442.50 = 555,442.50/x
3. Step 3: Cross multiply
   366,873x = 555,442.50 × 555,442.50
4. Step 4: Simplify right side
   366,873x = 308,516,370,806.25
5. Step 5: Solve for x
   x = 308,516,370,806.25/366,873
6. Step 6: Final answer
   x = 840,935.07