Finding the Third Proportional to 173,776.50 and 405,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,776.50 : 405,994.50 = 405,994.50 : x
2. Step 2: Convert to fraction form
   173,776.50/405,994.50 = 405,994.50/x
3. Step 3: Cross multiply
   173,776.50x = 405,994.50 × 405,994.50
4. Step 4: Simplify right side
   173,776.50x = 164,831,534,030.25
5. Step 5: Solve for x
   x = 164,831,534,030.25/173,776.50
6. Step 6: Final answer
   x = 948,526.03