Finding the Third Proportional to 670,405.50 and 957,681

Step by Step Solution

1. Step 1: Write the proportion equation
   670,405.50 : 957,681 = 957,681 : x
2. Step 2: Convert to fraction form
   670,405.50/957,681 = 957,681/x
3. Step 3: Cross multiply
   670,405.50x = 957,681 × 957,681
4. Step 4: Simplify right side
   670,405.50x = 917,152,897,761
5. Step 5: Solve for x
   x = 917,152,897,761/670,405.50
6. Step 6: Final answer
   x = 1,368,056.94