Finding the Third Proportional to 155,481 and 322,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,481 : 322,030.50 = 322,030.50 : x
2. Step 2: Convert to fraction form
   155,481/322,030.50 = 322,030.50/x
3. Step 3: Cross multiply
   155,481x = 322,030.50 × 322,030.50
4. Step 4: Simplify right side
   155,481x = 103,703,642,930.25
5. Step 5: Solve for x
   x = 103,703,642,930.25/155,481
6. Step 6: Final answer
   x = 666,985.95