Finding the Third Proportional to 672,808 and 1,030,236

Step by Step Solution

1. Step 1: Write the proportion equation
   672,808 : 1,030,236 = 1,030,236 : x
2. Step 2: Convert to fraction form
   672,808/1,030,236 = 1,030,236/x
3. Step 3: Cross multiply
   672,808x = 1,030,236 × 1,030,236
4. Step 4: Simplify right side
   672,808x = 1,061,386,215,696
5. Step 5: Solve for x
   x = 1,061,386,215,696/672,808
6. Step 6: Final answer
   x = 1,577,546.96