Finding the Third Proportional to 87,008 and 190,823.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,008 : 190,823.50 = 190,823.50 : x
2. Step 2: Convert to fraction form
   87,008/190,823.50 = 190,823.50/x
3. Step 3: Cross multiply
   87,008x = 190,823.50 × 190,823.50
4. Step 4: Simplify right side
   87,008x = 36,413,608,152.25
5. Step 5: Solve for x
   x = 36,413,608,152.25/87,008
6. Step 6: Final answer
   x = 418,508.74