Finding the Third Proportional to 87,012 and 190,003

Step by Step Solution

1. Step 1: Write the proportion equation
   87,012 : 190,003 = 190,003 : x
2. Step 2: Convert to fraction form
   87,012/190,003 = 190,003/x
3. Step 3: Cross multiply
   87,012x = 190,003 × 190,003
4. Step 4: Simplify right side
   87,012x = 36,101,140,009
5. Step 5: Solve for x
   x = 36,101,140,009/87,012
6. Step 6: Final answer
   x = 414,898.40