Finding the Third Proportional to 871,259 and 1,887,316

Step by Step Solution

1. Step 1: Write the proportion equation
   871,259 : 1,887,316 = 1,887,316 : x
2. Step 2: Convert to fraction form
   871,259/1,887,316 = 1,887,316/x
3. Step 3: Cross multiply
   871,259x = 1,887,316 × 1,887,316
4. Step 4: Simplify right side
   871,259x = 3,561,961,683,856
5. Step 5: Solve for x
   x = 3,561,961,683,856/871,259
6. Step 6: Final answer
   x = 4,088,292.56