Finding the Third Proportional to 249,777.50 and 374,674

Step by Step Solution

1. Step 1: Write the proportion equation
   249,777.50 : 374,674 = 374,674 : x
2. Step 2: Convert to fraction form
   249,777.50/374,674 = 374,674/x
3. Step 3: Cross multiply
   249,777.50x = 374,674 × 374,674
4. Step 4: Simplify right side
   249,777.50x = 140,380,606,276
5. Step 5: Solve for x
   x = 140,380,606,276/249,777.50
6. Step 6: Final answer
   x = 562,022.63