Finding the Third Proportional to 28,620 and 63,054

Step by Step Solution

1. Step 1: Write the proportion equation
   28,620 : 63,054 = 63,054 : x
2. Step 2: Convert to fraction form
   28,620/63,054 = 63,054/x
3. Step 3: Cross multiply
   28,620x = 63,054 × 63,054
4. Step 4: Simplify right side
   28,620x = 3,975,806,916
5. Step 5: Solve for x
   x = 3,975,806,916/28,620
6. Step 6: Final answer
   x = 138,917.08