Finding the Third Proportional to 285,060.50 and 619,737

Step by Step Solution

1. Step 1: Write the proportion equation
   285,060.50 : 619,737 = 619,737 : x
2. Step 2: Convert to fraction form
   285,060.50/619,737 = 619,737/x
3. Step 3: Cross multiply
   285,060.50x = 619,737 × 619,737
4. Step 4: Simplify right side
   285,060.50x = 384,073,949,169
5. Step 5: Solve for x
   x = 384,073,949,169/285,060.50
6. Step 6: Final answer
   x = 1,347,341.88