Finding the Third Proportional to 40,088 and 87,007

Step by Step Solution

1. Step 1: Write the proportion equation
   40,088 : 87,007 = 87,007 : x
2. Step 2: Convert to fraction form
   40,088/87,007 = 87,007/x
3. Step 3: Cross multiply
   40,088x = 87,007 × 87,007
4. Step 4: Simplify right side
   40,088x = 7,570,218,049
5. Step 5: Solve for x
   x = 7,570,218,049/40,088
6. Step 6: Final answer
   x = 188,840.00