Finding the Third Proportional to 30,113.16 and 64,851.19

Step by Step Solution

1. Step 1: Write the proportion equation
   30,113.16 : 64,851.19 = 64,851.19 : x
2. Step 2: Convert to fraction form
   30,113.16/64,851.19 = 64,851.19/x
3. Step 3: Cross multiply
   30,113.16x = 64,851.19 × 64,851.19
4. Step 4: Simplify right side
   30,113.16x = 4,205,676,520.16
5. Step 5: Solve for x
   x = 4,205,676,520.16/30,113.16
6. Step 6: Final answer
   x = 139,662.43