Finding the Third Proportional to 247,090.50 and 372,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   247,090.50 : 372,667.50 = 372,667.50 : x
2. Step 2: Convert to fraction form
   247,090.50/372,667.50 = 372,667.50/x
3. Step 3: Cross multiply
   247,090.50x = 372,667.50 × 372,667.50
4. Step 4: Simplify right side
   247,090.50x = 138,881,065,556.25
5. Step 5: Solve for x
   x = 138,881,065,556.25/247,090.50
6. Step 6: Final answer
   x = 562,065.58