Finding the Third Proportional to 712,411 and 1,107,071

Step by Step Solution

1. Step 1: Write the proportion equation
   712,411 : 1,107,071 = 1,107,071 : x
2. Step 2: Convert to fraction form
   712,411/1,107,071 = 1,107,071/x
3. Step 3: Cross multiply
   712,411x = 1,107,071 × 1,107,071
4. Step 4: Simplify right side
   712,411x = 1,225,606,199,041
5. Step 5: Solve for x
   x = 1,225,606,199,041/712,411
6. Step 6: Final answer
   x = 1,720,363.95