Finding the Third Proportional to 28,669.78 and 67,460.34

Step by Step Solution

1. Step 1: Write the proportion equation
   28,669.78 : 67,460.34 = 67,460.34 : x
2. Step 2: Convert to fraction form
   28,669.78/67,460.34 = 67,460.34/x
3. Step 3: Cross multiply
   28,669.78x = 67,460.34 × 67,460.34
4. Step 4: Simplify right side
   28,669.78x = 4,550,897,978.87
5. Step 5: Solve for x
   x = 4,550,897,978.87/28,669.78
6. Step 6: Final answer
   x = 158,735.01