Finding the Third Proportional to 530,972 and 1,146,470

Step by Step Solution

1. Step 1: Write the proportion equation
   530,972 : 1,146,470 = 1,146,470 : x
2. Step 2: Convert to fraction form
   530,972/1,146,470 = 1,146,470/x
3. Step 3: Cross multiply
   530,972x = 1,146,470 × 1,146,470
4. Step 4: Simplify right side
   530,972x = 1,314,393,460,900
5. Step 5: Solve for x
   x = 1,314,393,460,900/530,972
6. Step 6: Final answer
   x = 2,475,447.78