Finding the Third Proportional to 156,003 and 231,710.25

Step by Step Solution

1. Step 1: Write the proportion equation
   156,003 : 231,710.25 = 231,710.25 : x
2. Step 2: Convert to fraction form
   156,003/231,710.25 = 231,710.25/x
3. Step 3: Cross multiply
   156,003x = 231,710.25 × 231,710.25
4. Step 4: Simplify right side
   156,003x = 53,689,639,955.06
5. Step 5: Solve for x
   x = 53,689,639,955.06/156,003
6. Step 6: Final answer
   x = 344,157.74