Finding the Third Proportional to 325,300 and 692,072

Step by Step Solution

1. Step 1: Write the proportion equation
   325,300 : 692,072 = 692,072 : x
2. Step 2: Convert to fraction form
   325,300/692,072 = 692,072/x
3. Step 3: Cross multiply
   325,300x = 692,072 × 692,072
4. Step 4: Simplify right side
   325,300x = 478,963,653,184
5. Step 5: Solve for x
   x = 478,963,653,184/325,300
6. Step 6: Final answer
   x = 1,472,375.20