Finding the Third Proportional to 688,061 and 1,062,770.50

Step by Step Solution

1. Step 1: Write the proportion equation
   688,061 : 1,062,770.50 = 1,062,770.50 : x
2. Step 2: Convert to fraction form
   688,061/1,062,770.50 = 1,062,770.50/x
3. Step 3: Cross multiply
   688,061x = 1,062,770.50 × 1,062,770.50
4. Step 4: Simplify right side
   688,061x = 1,129,481,135,670.25
5. Step 5: Solve for x
   x = 1,129,481,135,670.25/688,061
6. Step 6: Final answer
   x = 1,641,542.15