Finding the Third Proportional to 45,402 and 72,150

Step by Step Solution

1. Step 1: Write the proportion equation
   45,402 : 72,150 = 72,150 : x
2. Step 2: Convert to fraction form
   45,402/72,150 = 72,150/x
3. Step 3: Cross multiply
   45,402x = 72,150 × 72,150
4. Step 4: Simplify right side
   45,402x = 5,205,622,500
5. Step 5: Solve for x
   x = 5,205,622,500/45,402
6. Step 6: Final answer
   x = 114,656.24