Finding the Third Proportional to 153,434.50 and 185,420

Step by Step Solution

1. Step 1: Write the proportion equation
   153,434.50 : 185,420 = 185,420 : x
2. Step 2: Convert to fraction form
   153,434.50/185,420 = 185,420/x
3. Step 3: Cross multiply
   153,434.50x = 185,420 × 185,420
4. Step 4: Simplify right side
   153,434.50x = 34,380,576,400
5. Step 5: Solve for x
   x = 34,380,576,400/153,434.50
6. Step 6: Final answer
   x = 224,073.31