Finding the Third Proportional to 766,306 and 1,642,711

Step by Step Solution

1. Step 1: Write the proportion equation
   766,306 : 1,642,711 = 1,642,711 : x
2. Step 2: Convert to fraction form
   766,306/1,642,711 = 1,642,711/x
3. Step 3: Cross multiply
   766,306x = 1,642,711 × 1,642,711
4. Step 4: Simplify right side
   766,306x = 2,698,499,429,521
5. Step 5: Solve for x
   x = 2,698,499,429,521/766,306
6. Step 6: Final answer
   x = 3,521,438.47