Finding the Third Proportional to 380,302.50 and 584,604

Step by Step Solution

1. Step 1: Write the proportion equation
   380,302.50 : 584,604 = 584,604 : x
2. Step 2: Convert to fraction form
   380,302.50/584,604 = 584,604/x
3. Step 3: Cross multiply
   380,302.50x = 584,604 × 584,604
4. Step 4: Simplify right side
   380,302.50x = 341,761,836,816
5. Step 5: Solve for x
   x = 341,761,836,816/380,302.50
6. Step 6: Final answer
   x = 898,657.88