Finding the Third Proportional to 149,904 and 322,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,904 : 322,042.50 = 322,042.50 : x
2. Step 2: Convert to fraction form
   149,904/322,042.50 = 322,042.50/x
3. Step 3: Cross multiply
   149,904x = 322,042.50 × 322,042.50
4. Step 4: Simplify right side
   149,904x = 103,711,371,806.25
5. Step 5: Solve for x
   x = 103,711,371,806.25/149,904
6. Step 6: Final answer
   x = 691,851.93