Finding the Third Proportional to 647,127 and 1,406,072

Step by Step Solution

1. Step 1: Write the proportion equation
   647,127 : 1,406,072 = 1,406,072 : x
2. Step 2: Convert to fraction form
   647,127/1,406,072 = 1,406,072/x
3. Step 3: Cross multiply
   647,127x = 1,406,072 × 1,406,072
4. Step 4: Simplify right side
   647,127x = 1,977,038,469,184
5. Step 5: Solve for x
   x = 1,977,038,469,184/647,127
6. Step 6: Final answer
   x = 3,055,101.19