Finding the Third Proportional to 668,748 and 1,026,450

Step by Step Solution

1. Step 1: Write the proportion equation
   668,748 : 1,026,450 = 1,026,450 : x
2. Step 2: Convert to fraction form
   668,748/1,026,450 = 1,026,450/x
3. Step 3: Cross multiply
   668,748x = 1,026,450 × 1,026,450
4. Step 4: Simplify right side
   668,748x = 1,053,599,602,500
5. Step 5: Solve for x
   x = 1,053,599,602,500/668,748
6. Step 6: Final answer
   x = 1,575,480.75