Finding the Third Proportional to 341,869 and 530,722.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,869 : 530,722.50 = 530,722.50 : x
2. Step 2: Convert to fraction form
   341,869/530,722.50 = 530,722.50/x
3. Step 3: Cross multiply
   341,869x = 530,722.50 × 530,722.50
4. Step 4: Simplify right side
   341,869x = 281,666,372,006.25
5. Step 5: Solve for x
   x = 281,666,372,006.25/341,869
6. Step 6: Final answer
   x = 823,901.47