Finding the Third Proportional to 13,475.81 and 31,474.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,475.81 : 31,474.69 = 31,474.69 : x
2. Step 2: Convert to fraction form
   13,475.81/31,474.69 = 31,474.69/x
3. Step 3: Cross multiply
   13,475.81x = 31,474.69 × 31,474.69
4. Step 4: Simplify right side
   13,475.81x = 990,655,953.22
5. Step 5: Solve for x
   x = 990,655,953.22/13,475.81
6. Step 6: Final answer
   x = 73,513.63