Finding the Third Proportional to 303,153 and 470,722.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,153 : 470,722.50 = 470,722.50 : x
2. Step 2: Convert to fraction form
   303,153/470,722.50 = 470,722.50/x
3. Step 3: Cross multiply
   303,153x = 470,722.50 × 470,722.50
4. Step 4: Simplify right side
   303,153x = 221,579,672,006.25
5. Step 5: Solve for x
   x = 221,579,672,006.25/303,153
6. Step 6: Final answer
   x = 730,916.97