Finding the Third Proportional to 19,434.50 and 30,903.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,434.50 : 30,903.50 = 30,903.50 : x
2. Step 2: Convert to fraction form
   19,434.50/30,903.50 = 30,903.50/x
3. Step 3: Cross multiply
   19,434.50x = 30,903.50 × 30,903.50
4. Step 4: Simplify right side
   19,434.50x = 955,026,312.25
5. Step 5: Solve for x
   x = 955,026,312.25/19,434.50
6. Step 6: Final answer
   x = 49,140.77