Finding the Third Proportional to 30,903.75 and 67,123.13

Step by Step Solution

1. Step 1: Write the proportion equation
   30,903.75 : 67,123.13 = 67,123.13 : x
2. Step 2: Convert to fraction form
   30,903.75/67,123.13 = 67,123.13/x
3. Step 3: Cross multiply
   30,903.75x = 67,123.13 × 67,123.13
4. Step 4: Simplify right side
   30,903.75x = 4,505,513,909.77
5. Step 5: Solve for x
   x = 4,505,513,909.77/30,903.75
6. Step 6: Final answer
   x = 145,791.82