Finding the Third Proportional to 453,460.50 and 989,811

Step by Step Solution

1. Step 1: Write the proportion equation
   453,460.50 : 989,811 = 989,811 : x
2. Step 2: Convert to fraction form
   453,460.50/989,811 = 989,811/x
3. Step 3: Cross multiply
   453,460.50x = 989,811 × 989,811
4. Step 4: Simplify right side
   453,460.50x = 979,725,815,721
5. Step 5: Solve for x
   x = 979,725,815,721/453,460.50
6. Step 6: Final answer
   x = 2,160,553.82