Finding the Third Proportional to 391,531.50 and 854,973

Step by Step Solution

1. Step 1: Write the proportion equation
   391,531.50 : 854,973 = 854,973 : x
2. Step 2: Convert to fraction form
   391,531.50/854,973 = 854,973/x
3. Step 3: Cross multiply
   391,531.50x = 854,973 × 854,973
4. Step 4: Simplify right side
   391,531.50x = 730,978,830,729
5. Step 5: Solve for x
   x = 730,978,830,729/391,531.50
6. Step 6: Final answer
   x = 1,866,973.23