Finding the Third Proportional to 688,370 and 1,012,291

Step by Step Solution

1. Step 1: Write the proportion equation
   688,370 : 1,012,291 = 1,012,291 : x
2. Step 2: Convert to fraction form
   688,370/1,012,291 = 1,012,291/x
3. Step 3: Cross multiply
   688,370x = 1,012,291 × 1,012,291
4. Step 4: Simplify right side
   688,370x = 1,024,733,068,681
5. Step 5: Solve for x
   x = 1,024,733,068,681/688,370
6. Step 6: Final answer
   x = 1,488,637.02