Finding the Third Proportional to 436,915 and 590,300

Step by Step Solution

1. Step 1: Write the proportion equation
   436,915 : 590,300 = 590,300 : x
2. Step 2: Convert to fraction form
   436,915/590,300 = 590,300/x
3. Step 3: Cross multiply
   436,915x = 590,300 × 590,300
4. Step 4: Simplify right side
   436,915x = 348,454,090,000
5. Step 5: Solve for x
   x = 348,454,090,000/436,915
6. Step 6: Final answer
   x = 797,532.91