Finding the Third Proportional to 374,899.50 and 549,003

Step by Step Solution

1. Step 1: Write the proportion equation
   374,899.50 : 549,003 = 549,003 : x
2. Step 2: Convert to fraction form
   374,899.50/549,003 = 549,003/x
3. Step 3: Cross multiply
   374,899.50x = 549,003 × 549,003
4. Step 4: Simplify right side
   374,899.50x = 301,404,294,009
5. Step 5: Solve for x
   x = 301,404,294,009/374,899.50
6. Step 6: Final answer
   x = 803,960.25