Finding the Third Proportional to 6,435.70 and 13,957.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,435.70 : 13,957.31 = 13,957.31 : x
2. Step 2: Convert to fraction form
   6,435.70/13,957.31 = 13,957.31/x
3. Step 3: Cross multiply
   6,435.70x = 13,957.31 × 13,957.31
4. Step 4: Simplify right side
   6,435.70x = 194,806,572.22
5. Step 5: Solve for x
   x = 194,806,572.22/6,435.70
6. Step 6: Final answer
   x = 30,269.66