Finding the Third Proportional to 30,480 and 46,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,480 : 46,042.50 = 46,042.50 : x
2. Step 2: Convert to fraction form
   30,480/46,042.50 = 46,042.50/x
3. Step 3: Cross multiply
   30,480x = 46,042.50 × 46,042.50
4. Step 4: Simplify right side
   30,480x = 2,119,911,806.25
5. Step 5: Solve for x
   x = 2,119,911,806.25/30,480
6. Step 6: Final answer
   x = 69,550.91