Finding the Third Proportional to 30,386.25 and 63,193.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,386.25 : 63,193.50 = 63,193.50 : x
2. Step 2: Convert to fraction form
   30,386.25/63,193.50 = 63,193.50/x
3. Step 3: Cross multiply
   30,386.25x = 63,193.50 × 63,193.50
4. Step 4: Simplify right side
   30,386.25x = 3,993,418,442.25
5. Step 5: Solve for x
   x = 3,993,418,442.25/30,386.25
6. Step 6: Final answer
   x = 131,421.89