Finding the Third Proportional to 72,153 and 147,890

Step by Step Solution

1. Step 1: Write the proportion equation
   72,153 : 147,890 = 147,890 : x
2. Step 2: Convert to fraction form
   72,153/147,890 = 147,890/x
3. Step 3: Cross multiply
   72,153x = 147,890 × 147,890
4. Step 4: Simplify right side
   72,153x = 21,871,452,100
5. Step 5: Solve for x
   x = 21,871,452,100/72,153
6. Step 6: Final answer
   x = 303,126.03