Finding the Third Proportional to 149,925 and 322,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,925 : 322,081.50 = 322,081.50 : x
2. Step 2: Convert to fraction form
   149,925/322,081.50 = 322,081.50/x
3. Step 3: Cross multiply
   149,925x = 322,081.50 × 322,081.50
4. Step 4: Simplify right side
   149,925x = 103,736,492,642.25
5. Step 5: Solve for x
   x = 103,736,492,642.25/149,925
6. Step 6: Final answer
   x = 691,922.58