Finding the Third Proportional to 534,870 and 1,138,428

Step by Step Solution

1. Step 1: Write the proportion equation
   534,870 : 1,138,428 = 1,138,428 : x
2. Step 2: Convert to fraction form
   534,870/1,138,428 = 1,138,428/x
3. Step 3: Cross multiply
   534,870x = 1,138,428 × 1,138,428
4. Step 4: Simplify right side
   534,870x = 1,296,018,311,184
5. Step 5: Solve for x
   x = 1,296,018,311,184/534,870
6. Step 6: Final answer
   x = 2,423,052.91