Finding the Third Proportional to 368,443 and 540,577.50

Step by Step Solution

1. Step 1: Write the proportion equation
   368,443 : 540,577.50 = 540,577.50 : x
2. Step 2: Convert to fraction form
   368,443/540,577.50 = 540,577.50/x
3. Step 3: Cross multiply
   368,443x = 540,577.50 × 540,577.50
4. Step 4: Simplify right side
   368,443x = 292,224,033,506.25
5. Step 5: Solve for x
   x = 292,224,033,506.25/368,443
6. Step 6: Final answer
   x = 793,132.27