Finding the Third Proportional to 851,806 and 1,880,840

Step by Step Solution

1. Step 1: Write the proportion equation
   851,806 : 1,880,840 = 1,880,840 : x
2. Step 2: Convert to fraction form
   851,806/1,880,840 = 1,880,840/x
3. Step 3: Cross multiply
   851,806x = 1,880,840 × 1,880,840
4. Step 4: Simplify right side
   851,806x = 3,537,559,105,600
5. Step 5: Solve for x
   x = 3,537,559,105,600/851,806
6. Step 6: Final answer
   x = 4,153,010.32