Finding the Third Proportional to 812,160 and 1,871,808

Step by Step Solution

1. Step 1: Write the proportion equation
   812,160 : 1,871,808 = 1,871,808 : x
2. Step 2: Convert to fraction form
   812,160/1,871,808 = 1,871,808/x
3. Step 3: Cross multiply
   812,160x = 1,871,808 × 1,871,808
4. Step 4: Simplify right side
   812,160x = 3,503,665,188,864
5. Step 5: Solve for x
   x = 3,503,665,188,864/812,160
6. Step 6: Final answer
   x = 4,314,008.56