Finding the Third Proportional to 666,567 and 1,073,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   666,567 : 1,073,392.50 = 1,073,392.50 : x
2. Step 2: Convert to fraction form
   666,567/1,073,392.50 = 1,073,392.50/x
3. Step 3: Cross multiply
   666,567x = 1,073,392.50 × 1,073,392.50
4. Step 4: Simplify right side
   666,567x = 1,152,171,459,056.25
5. Step 5: Solve for x
   x = 1,152,171,459,056.25/666,567
6. Step 6: Final answer
   x = 1,728,515.60