Finding the Third Proportional to 172,064 and 369,046.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,064 : 369,046.50 = 369,046.50 : x
2. Step 2: Convert to fraction form
   172,064/369,046.50 = 369,046.50/x
3. Step 3: Cross multiply
   172,064x = 369,046.50 × 369,046.50
4. Step 4: Simplify right side
   172,064x = 136,195,319,162.25
5. Step 5: Solve for x
   x = 136,195,319,162.25/172,064
6. Step 6: Final answer
   x = 791,538.72