Finding the Third Proportional to 70,426 and 153,488

Step by Step Solution

1. Step 1: Write the proportion equation
   70,426 : 153,488 = 153,488 : x
2. Step 2: Convert to fraction form
   70,426/153,488 = 153,488/x
3. Step 3: Cross multiply
   70,426x = 153,488 × 153,488
4. Step 4: Simplify right side
   70,426x = 23,558,566,144
5. Step 5: Solve for x
   x = 23,558,566,144/70,426
6. Step 6: Final answer
   x = 334,515.18