Finding the Third Proportional to 109,139 and 154,050

Step by Step Solution

1. Step 1: Write the proportion equation
   109,139 : 154,050 = 154,050 : x
2. Step 2: Convert to fraction form
   109,139/154,050 = 154,050/x
3. Step 3: Cross multiply
   109,139x = 154,050 × 154,050
4. Step 4: Simplify right side
   109,139x = 23,731,402,500
5. Step 5: Solve for x
   x = 23,731,402,500/109,139
6. Step 6: Final answer
   x = 217,442.00