Finding the Third Proportional to 191,983.50 and 418,905

Step by Step Solution

1. Step 1: Write the proportion equation
   191,983.50 : 418,905 = 418,905 : x
2. Step 2: Convert to fraction form
   191,983.50/418,905 = 418,905/x
3. Step 3: Cross multiply
   191,983.50x = 418,905 × 418,905
4. Step 4: Simplify right side
   191,983.50x = 175,481,399,025
5. Step 5: Solve for x
   x = 175,481,399,025/191,983.50
6. Step 6: Final answer
   x = 914,044.17