Finding the Third Proportional to 30,112.17 and 64,848.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,112.17 : 64,848.94 = 64,848.94 : x
2. Step 2: Convert to fraction form
   30,112.17/64,848.94 = 64,848.94/x
3. Step 3: Cross multiply
   30,112.17x = 64,848.94 × 64,848.94
4. Step 4: Simplify right side
   30,112.17x = 4,205,384,694.88
5. Step 5: Solve for x
   x = 4,205,384,694.88/30,112.17
6. Step 6: Final answer
   x = 139,657.30