Finding the Third Proportional to 156,804 and 231,510

Step by Step Solution

1. Step 1: Write the proportion equation
   156,804 : 231,510 = 231,510 : x
2. Step 2: Convert to fraction form
   156,804/231,510 = 231,510/x
3. Step 3: Cross multiply
   156,804x = 231,510 × 231,510
4. Step 4: Simplify right side
   156,804x = 53,596,880,100
5. Step 5: Solve for x
   x = 53,596,880,100/156,804
6. Step 6: Final answer
   x = 341,808.12