Finding the Third Proportional to 721,467 and 1,142,364

Step by Step Solution

1. Step 1: Write the proportion equation
   721,467 : 1,142,364 = 1,142,364 : x
2. Step 2: Convert to fraction form
   721,467/1,142,364 = 1,142,364/x
3. Step 3: Cross multiply
   721,467x = 1,142,364 × 1,142,364
4. Step 4: Simplify right side
   721,467x = 1,304,995,508,496
5. Step 5: Solve for x
   x = 1,304,995,508,496/721,467
6. Step 6: Final answer
   x = 1,808,808.31