Finding the Third Proportional to 712,407 and 1,453,878

Step by Step Solution

1. Step 1: Write the proportion equation
   712,407 : 1,453,878 = 1,453,878 : x
2. Step 2: Convert to fraction form
   712,407/1,453,878 = 1,453,878/x
3. Step 3: Cross multiply
   712,407x = 1,453,878 × 1,453,878
4. Step 4: Simplify right side
   712,407x = 2,113,761,238,884
5. Step 5: Solve for x
   x = 2,113,761,238,884/712,407
6. Step 6: Final answer
   x = 2,967,069.72