Finding the Third Proportional to 70,318.50 and 153,498

Step by Step Solution

1. Step 1: Write the proportion equation
   70,318.50 : 153,498 = 153,498 : x
2. Step 2: Convert to fraction form
   70,318.50/153,498 = 153,498/x
3. Step 3: Cross multiply
   70,318.50x = 153,498 × 153,498
4. Step 4: Simplify right side
   70,318.50x = 23,561,636,004
5. Step 5: Solve for x
   x = 23,561,636,004/70,318.50
6. Step 6: Final answer
   x = 335,070.23