Finding the Third Proportional to 163,118.25 and 345,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,118.25 : 345,820.50 = 345,820.50 : x
2. Step 2: Convert to fraction form
   163,118.25/345,820.50 = 345,820.50/x
3. Step 3: Cross multiply
   163,118.25x = 345,820.50 × 345,820.50
4. Step 4: Simplify right side
   163,118.25x = 119,591,818,220.25
5. Step 5: Solve for x
   x = 119,591,818,220.25/163,118.25
6. Step 6: Final answer
   x = 733,160.26