Finding the Third Proportional to 658,829.50 and 963,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   658,829.50 : 963,111.50 = 963,111.50 : x
2. Step 2: Convert to fraction form
   658,829.50/963,111.50 = 963,111.50/x
3. Step 3: Cross multiply
   658,829.50x = 963,111.50 × 963,111.50
4. Step 4: Simplify right side
   658,829.50x = 927,583,761,432.25
5. Step 5: Solve for x
   x = 927,583,761,432.25/658,829.50
6. Step 6: Final answer
   x = 1,407,926.88