Finding the Third Proportional to 30,307.50 and 62,118

Step by Step Solution

1. Step 1: Write the proportion equation
   30,307.50 : 62,118 = 62,118 : x
2. Step 2: Convert to fraction form
   30,307.50/62,118 = 62,118/x
3. Step 3: Cross multiply
   30,307.50x = 62,118 × 62,118
4. Step 4: Simplify right side
   30,307.50x = 3,858,645,924
5. Step 5: Solve for x
   x = 3,858,645,924/30,307.50
6. Step 6: Final answer
   x = 127,316.54