Finding the Third Proportional to 620,414.50 and 935,806

Step by Step Solution

1. Step 1: Write the proportion equation
   620,414.50 : 935,806 = 935,806 : x
2. Step 2: Convert to fraction form
   620,414.50/935,806 = 935,806/x
3. Step 3: Cross multiply
   620,414.50x = 935,806 × 935,806
4. Step 4: Simplify right side
   620,414.50x = 875,732,869,636
5. Step 5: Solve for x
   x = 875,732,869,636/620,414.50
6. Step 6: Final answer
   x = 1,411,528.70