Finding the Third Proportional to 718,132 and 1,113,490

Step by Step Solution

1. Step 1: Write the proportion equation
   718,132 : 1,113,490 = 1,113,490 : x
2. Step 2: Convert to fraction form
   718,132/1,113,490 = 1,113,490/x
3. Step 3: Cross multiply
   718,132x = 1,113,490 × 1,113,490
4. Step 4: Simplify right side
   718,132x = 1,239,859,980,100
5. Step 5: Solve for x
   x = 1,239,859,980,100/718,132
6. Step 6: Final answer
   x = 1,726,507.08