Finding the Third Proportional to 30,153 and 46,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,153 : 46,642.50 = 46,642.50 : x
2. Step 2: Convert to fraction form
   30,153/46,642.50 = 46,642.50/x
3. Step 3: Cross multiply
   30,153x = 46,642.50 × 46,642.50
4. Step 4: Simplify right side
   30,153x = 2,175,522,806.25
5. Step 5: Solve for x
   x = 2,175,522,806.25/30,153
6. Step 6: Final answer
   x = 72,149.46