Finding the Third Proportional to 830,820 and 1,807,440

Step by Step Solution

1. Step 1: Write the proportion equation
   830,820 : 1,807,440 = 1,807,440 : x
2. Step 2: Convert to fraction form
   830,820/1,807,440 = 1,807,440/x
3. Step 3: Cross multiply
   830,820x = 1,807,440 × 1,807,440
4. Step 4: Simplify right side
   830,820x = 3,266,839,353,600
5. Step 5: Solve for x
   x = 3,266,839,353,600/830,820
6. Step 6: Final answer
   x = 3,932,066.34