Finding the Third Proportional to 590,904 and 886,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   590,904 : 886,126.50 = 886,126.50 : x
2. Step 2: Convert to fraction form
   590,904/886,126.50 = 886,126.50/x
3. Step 3: Cross multiply
   590,904x = 886,126.50 × 886,126.50
4. Step 4: Simplify right side
   590,904x = 785,220,174,002.25
5. Step 5: Solve for x
   x = 785,220,174,002.25/590,904
6. Step 6: Final answer
   x = 1,328,845.59