Finding the Third Proportional to 45,646.03 and 68,090.63

Step by Step Solution

1. Step 1: Write the proportion equation
   45,646.03 : 68,090.63 = 68,090.63 : x
2. Step 2: Convert to fraction form
   45,646.03/68,090.63 = 68,090.63/x
3. Step 3: Cross multiply
   45,646.03x = 68,090.63 × 68,090.63
4. Step 4: Simplify right side
   45,646.03x = 4,636,333,212.89
5. Step 5: Solve for x
   x = 4,636,333,212.89/45,646.03
6. Step 6: Final answer
   x = 101,571.44