Finding the Third Proportional to 67,910.91 and 148,442.63

Step by Step Solution

1. Step 1: Write the proportion equation
   67,910.91 : 148,442.63 = 148,442.63 : x
2. Step 2: Convert to fraction form
   67,910.91/148,442.63 = 148,442.63/x
3. Step 3: Cross multiply
   67,910.91x = 148,442.63 × 148,442.63
4. Step 4: Simplify right side
   67,910.91x = 22,035,212,916.89
5. Step 5: Solve for x
   x = 22,035,212,916.89/67,910.91
6. Step 6: Final answer
   x = 324,472.37