Finding the Third Proportional to 765,521 and 1,788,036

Step by Step Solution

1. Step 1: Write the proportion equation
   765,521 : 1,788,036 = 1,788,036 : x
2. Step 2: Convert to fraction form
   765,521/1,788,036 = 1,788,036/x
3. Step 3: Cross multiply
   765,521x = 1,788,036 × 1,788,036
4. Step 4: Simplify right side
   765,521x = 3,197,072,737,296
5. Step 5: Solve for x
   x = 3,197,072,737,296/765,521
6. Step 6: Final answer
   x = 4,176,335.77