Finding the Third Proportional to 152,020 and 323,726

Step by Step Solution

1. Step 1: Write the proportion equation
   152,020 : 323,726 = 323,726 : x
2. Step 2: Convert to fraction form
   152,020/323,726 = 323,726/x
3. Step 3: Cross multiply
   152,020x = 323,726 × 323,726
4. Step 4: Simplify right side
   152,020x = 104,798,523,076
5. Step 5: Solve for x
   x = 104,798,523,076/152,020
6. Step 6: Final answer
   x = 689,373.26