Finding the Third Proportional to 670,818 and 1,003,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   670,818 : 1,003,567.50 = 1,003,567.50 : x
2. Step 2: Convert to fraction form
   670,818/1,003,567.50 = 1,003,567.50/x
3. Step 3: Cross multiply
   670,818x = 1,003,567.50 × 1,003,567.50
4. Step 4: Simplify right side
   670,818x = 1,007,147,727,056.25
5. Step 5: Solve for x
   x = 1,007,147,727,056.25/670,818
6. Step 6: Final answer
   x = 1,501,372.54