Finding the Third Proportional to 56,619 and 111,810.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,619 : 111,810.38 = 111,810.38 : x
2. Step 2: Convert to fraction form
   56,619/111,810.38 = 111,810.38/x
3. Step 3: Cross multiply
   56,619x = 111,810.38 × 111,810.38
4. Step 4: Simplify right side
   56,619x = 12,501,559,957.64
5. Step 5: Solve for x
   x = 12,501,559,957.64/56,619
6. Step 6: Final answer
   x = 220,801.50