Finding the Third Proportional to 635,315.50 and 931,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   635,315.50 : 931,780.50 = 931,780.50 : x
2. Step 2: Convert to fraction form
   635,315.50/931,780.50 = 931,780.50/x
3. Step 3: Cross multiply
   635,315.50x = 931,780.50 × 931,780.50
4. Step 4: Simplify right side
   635,315.50x = 868,214,900,180.25
5. Step 5: Solve for x
   x = 868,214,900,180.25/635,315.50
6. Step 6: Final answer
   x = 1,366,588.57