Finding the Third Proportional to 854,920 and 1,334,139

Step by Step Solution

1. Step 1: Write the proportion equation
   854,920 : 1,334,139 = 1,334,139 : x
2. Step 2: Convert to fraction form
   854,920/1,334,139 = 1,334,139/x
3. Step 3: Cross multiply
   854,920x = 1,334,139 × 1,334,139
4. Step 4: Simplify right side
   854,920x = 1,779,926,871,321
5. Step 5: Solve for x
   x = 1,779,926,871,321/854,920
6. Step 6: Final answer
   x = 2,081,980.62