Finding the Third Proportional to 556,332 and 834,123

Step by Step Solution

1. Step 1: Write the proportion equation
   556,332 : 834,123 = 834,123 : x
2. Step 2: Convert to fraction form
   556,332/834,123 = 834,123/x
3. Step 3: Cross multiply
   556,332x = 834,123 × 834,123
4. Step 4: Simplify right side
   556,332x = 695,761,179,129
5. Step 5: Solve for x
   x = 695,761,179,129/556,332
6. Step 6: Final answer
   x = 1,250,622.25