Finding the Third Proportional to 676,870 and 1,015,438

Step by Step Solution

1. Step 1: Write the proportion equation
   676,870 : 1,015,438 = 1,015,438 : x
2. Step 2: Convert to fraction form
   676,870/1,015,438 = 1,015,438/x
3. Step 3: Cross multiply
   676,870x = 1,015,438 × 1,015,438
4. Step 4: Simplify right side
   676,870x = 1,031,114,331,844
5. Step 5: Solve for x
   x = 1,031,114,331,844/676,870
6. Step 6: Final answer
   x = 1,523,356.53