Finding the Third Proportional to 104,299.31 and 145,103.06

Step by Step Solution

1. Step 1: Write the proportion equation
   104,299.31 : 145,103.06 = 145,103.06 : x
2. Step 2: Convert to fraction form
   104,299.31/145,103.06 = 145,103.06/x
3. Step 3: Cross multiply
   104,299.31x = 145,103.06 × 145,103.06
4. Step 4: Simplify right side
   104,299.31x = 21,054,898,746.88
5. Step 5: Solve for x
   x = 21,054,898,746.88/104,299.31
6. Step 6: Final answer
   x = 201,869.97