Finding the Third Proportional to 70,485.50 and 164,472

Step by Step Solution

1. Step 1: Write the proportion equation
   70,485.50 : 164,472 = 164,472 : x
2. Step 2: Convert to fraction form
   70,485.50/164,472 = 164,472/x
3. Step 3: Cross multiply
   70,485.50x = 164,472 × 164,472
4. Step 4: Simplify right side
   70,485.50x = 27,051,038,784
5. Step 5: Solve for x
   x = 27,051,038,784/70,485.50
6. Step 6: Final answer
   x = 383,781.61