Finding the Third Proportional to 31,734.09 and 69,695.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,734.09 : 69,695.81 = 69,695.81 : x
2. Step 2: Convert to fraction form
   31,734.09/69,695.81 = 69,695.81/x
3. Step 3: Cross multiply
   31,734.09x = 69,695.81 × 69,695.81
4. Step 4: Simplify right side
   31,734.09x = 4,857,506,280.04
5. Step 5: Solve for x
   x = 4,857,506,280.04/31,734.09
6. Step 6: Final answer
   x = 153,069.01