Finding the Third Proportional to 156,064 and 338,698

Step by Step Solution

1. Step 1: Write the proportion equation
   156,064 : 338,698 = 338,698 : x
2. Step 2: Convert to fraction form
   156,064/338,698 = 338,698/x
3. Step 3: Cross multiply
   156,064x = 338,698 × 338,698
4. Step 4: Simplify right side
   156,064x = 114,716,335,204
5. Step 5: Solve for x
   x = 114,716,335,204/156,064
6. Step 6: Final answer
   x = 735,059.56