Finding the Third Proportional to 40,090.50 and 87,010.88

Step by Step Solution

1. Step 1: Write the proportion equation
   40,090.50 : 87,010.88 = 87,010.88 : x
2. Step 2: Convert to fraction form
   40,090.50/87,010.88 = 87,010.88/x
3. Step 3: Cross multiply
   40,090.50x = 87,010.88 × 87,010.88
4. Step 4: Simplify right side
   40,090.50x = 7,570,892,368.27
5. Step 5: Solve for x
   x = 7,570,892,368.27/40,090.50
6. Step 6: Final answer
   x = 188,845.05