Finding the Third Proportional to 158,557.50 and 345,546

Step by Step Solution

1. Step 1: Write the proportion equation
   158,557.50 : 345,546 = 345,546 : x
2. Step 2: Convert to fraction form
   158,557.50/345,546 = 345,546/x
3. Step 3: Cross multiply
   158,557.50x = 345,546 × 345,546
4. Step 4: Simplify right side
   158,557.50x = 119,402,038,116
5. Step 5: Solve for x
   x = 119,402,038,116/158,557.50
6. Step 6: Final answer
   x = 753,051.97