Finding the Third Proportional to 590,654 and 885,789

Step by Step Solution

1. Step 1: Write the proportion equation
   590,654 : 885,789 = 885,789 : x
2. Step 2: Convert to fraction form
   590,654/885,789 = 885,789/x
3. Step 3: Cross multiply
   590,654x = 885,789 × 885,789
4. Step 4: Simplify right side
   590,654x = 784,622,152,521
5. Step 5: Solve for x
   x = 784,622,152,521/590,654
6. Step 6: Final answer
   x = 1,328,395.56