Finding the Third Proportional to 33,420.09 and 71,487.56

Step by Step Solution

1. Step 1: Write the proportion equation
   33,420.09 : 71,487.56 = 71,487.56 : x
2. Step 2: Convert to fraction form
   33,420.09/71,487.56 = 71,487.56/x
3. Step 3: Cross multiply
   33,420.09x = 71,487.56 × 71,487.56
4. Step 4: Simplify right side
   33,420.09x = 5,110,471,592.19
5. Step 5: Solve for x
   x = 5,110,471,592.19/33,420.09
6. Step 6: Final answer
   x = 152,916.14