Finding the Third Proportional to 854,085 and 1,309,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   854,085 : 1,309,672.50 = 1,309,672.50 : x
2. Step 2: Convert to fraction form
   854,085/1,309,672.50 = 1,309,672.50/x
3. Step 3: Cross multiply
   854,085x = 1,309,672.50 × 1,309,672.50
4. Step 4: Simplify right side
   854,085x = 1,715,242,057,256.25
5. Step 5: Solve for x
   x = 1,715,242,057,256.25/854,085
6. Step 6: Final answer
   x = 2,008,280.27