Finding the Third Proportional to 303,123 and 452,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,123 : 452,812.50 = 452,812.50 : x
2. Step 2: Convert to fraction form
   303,123/452,812.50 = 452,812.50/x
3. Step 3: Cross multiply
   303,123x = 452,812.50 × 452,812.50
4. Step 4: Simplify right side
   303,123x = 205,039,160,156.25
5. Step 5: Solve for x
   x = 205,039,160,156.25/303,123
6. Step 6: Final answer
   x = 676,422.31