Finding the Third Proportional to 40,064.63 and 87,085.13

Step by Step Solution

1. Step 1: Write the proportion equation
   40,064.63 : 87,085.13 = 87,085.13 : x
2. Step 2: Convert to fraction form
   40,064.63/87,085.13 = 87,085.13/x
3. Step 3: Cross multiply
   40,064.63x = 87,085.13 × 87,085.13
4. Step 4: Simplify right side
   40,064.63x = 7,583,818,996.27
5. Step 5: Solve for x
   x = 7,583,818,996.27/40,064.63
6. Step 6: Final answer
   x = 189,289.65