Finding the Third Proportional to 590,474.50 and 885,558

Step by Step Solution

1. Step 1: Write the proportion equation
   590,474.50 : 885,558 = 885,558 : x
2. Step 2: Convert to fraction form
   590,474.50/885,558 = 885,558/x
3. Step 3: Cross multiply
   590,474.50x = 885,558 × 885,558
4. Step 4: Simplify right side
   590,474.50x = 784,212,971,364
5. Step 5: Solve for x
   x = 784,212,971,364/590,474.50
6. Step 6: Final answer
   x = 1,328,106.42