Finding the Third Proportional to 156,021.50 and 235,410

Step by Step Solution

1. Step 1: Write the proportion equation
   156,021.50 : 235,410 = 235,410 : x
2. Step 2: Convert to fraction form
   156,021.50/235,410 = 235,410/x
3. Step 3: Cross multiply
   156,021.50x = 235,410 × 235,410
4. Step 4: Simplify right side
   156,021.50x = 55,417,868,100
5. Step 5: Solve for x
   x = 55,417,868,100/156,021.50
6. Step 6: Final answer
   x = 355,193.79