Finding the Third Proportional to 704,139 and 1,520,520

Step by Step Solution

1. Step 1: Write the proportion equation
   704,139 : 1,520,520 = 1,520,520 : x
2. Step 2: Convert to fraction form
   704,139/1,520,520 = 1,520,520/x
3. Step 3: Cross multiply
   704,139x = 1,520,520 × 1,520,520
4. Step 4: Simplify right side
   704,139x = 2,311,981,070,400
5. Step 5: Solve for x
   x = 2,311,981,070,400/704,139
6. Step 6: Final answer
   x = 3,283,415.73