Finding the Third Proportional to 65,815.03 and 99,303.47

Step by Step Solution

1. Step 1: Write the proportion equation
   65,815.03 : 99,303.47 = 99,303.47 : x
2. Step 2: Convert to fraction form
   65,815.03/99,303.47 = 99,303.47/x
3. Step 3: Cross multiply
   65,815.03x = 99,303.47 × 99,303.47
4. Step 4: Simplify right side
   65,815.03x = 9,861,178,905.78
5. Step 5: Solve for x
   x = 9,861,178,905.78/65,815.03
6. Step 6: Final answer
   x = 149,831.71