Finding the Third Proportional to 155,160 and 320,026.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,160 : 320,026.50 = 320,026.50 : x
2. Step 2: Convert to fraction form
   155,160/320,026.50 = 320,026.50/x
3. Step 3: Cross multiply
   155,160x = 320,026.50 × 320,026.50
4. Step 4: Simplify right side
   155,160x = 102,416,960,702.25
5. Step 5: Solve for x
   x = 102,416,960,702.25/155,160
6. Step 6: Final answer
   x = 660,073.22