Finding the Third Proportional to 30,067.88 and 64,948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,067.88 : 64,948.50 = 64,948.50 : x
2. Step 2: Convert to fraction form
   30,067.88/64,948.50 = 64,948.50/x
3. Step 3: Cross multiply
   30,067.88x = 64,948.50 × 64,948.50
4. Step 4: Simplify right side
   30,067.88x = 4,218,307,652.25
5. Step 5: Solve for x
   x = 4,218,307,652.25/30,067.88
6. Step 6: Final answer
   x = 140,292.84