Finding the Third Proportional to 30,083.63 and 64,830.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,083.63 : 64,830.94 = 64,830.94 : x
2. Step 2: Convert to fraction form
   30,083.63/64,830.94 = 64,830.94/x
3. Step 3: Cross multiply
   30,083.63x = 64,830.94 × 64,830.94
4. Step 4: Simplify right side
   30,083.63x = 4,203,050,457.13
5. Step 5: Solve for x
   x = 4,203,050,457.13/30,083.63
6. Step 6: Final answer
   x = 139,712.23