Finding the Third Proportional to 589,056 and 906,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   589,056 : 906,748.50 = 906,748.50 : x
2. Step 2: Convert to fraction form
   589,056/906,748.50 = 906,748.50/x
3. Step 3: Cross multiply
   589,056x = 906,748.50 × 906,748.50
4. Step 4: Simplify right side
   589,056x = 822,192,842,252.25
5. Step 5: Solve for x
   x = 822,192,842,252.25/589,056
6. Step 6: Final answer
   x = 1,395,780.44