Finding the Third Proportional to 186,112 and 407,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   186,112 : 407,667.50 = 407,667.50 : x
2. Step 2: Convert to fraction form
   186,112/407,667.50 = 407,667.50/x
3. Step 3: Cross multiply
   186,112x = 407,667.50 × 407,667.50
4. Step 4: Simplify right side
   186,112x = 166,192,790,556.25
5. Step 5: Solve for x
   x = 166,192,790,556.25/186,112
6. Step 6: Final answer
   x = 892,971.92