Finding the Third Proportional to 95,979.50 and 209,428

Step by Step Solution

1. Step 1: Write the proportion equation
   95,979.50 : 209,428 = 209,428 : x
2. Step 2: Convert to fraction form
   95,979.50/209,428 = 209,428/x
3. Step 3: Cross multiply
   95,979.50x = 209,428 × 209,428
4. Step 4: Simplify right side
   95,979.50x = 43,860,087,184
5. Step 5: Solve for x
   x = 43,860,087,184/95,979.50
6. Step 6: Final answer
   x = 456,973.49