Finding the Third Proportional to 31,099.50 and 43,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,099.50 : 43,798.50 = 43,798.50 : x
2. Step 2: Convert to fraction form
   31,099.50/43,798.50 = 43,798.50/x
3. Step 3: Cross multiply
   31,099.50x = 43,798.50 × 43,798.50
4. Step 4: Simplify right side
   31,099.50x = 1,918,308,602.25
5. Step 5: Solve for x
   x = 1,918,308,602.25/31,099.50
6. Step 6: Final answer
   x = 61,682.94