Finding the Third Proportional to 156,630 and 341,488

Step by Step Solution

1. Step 1: Write the proportion equation
   156,630 : 341,488 = 341,488 : x
2. Step 2: Convert to fraction form
   156,630/341,488 = 341,488/x
3. Step 3: Cross multiply
   156,630x = 341,488 × 341,488
4. Step 4: Simplify right side
   156,630x = 116,614,054,144
5. Step 5: Solve for x
   x = 116,614,054,144/156,630
6. Step 6: Final answer
   x = 744,519.28