Finding the Third Proportional to 688,014 and 1,011,796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   688,014 : 1,011,796.50 = 1,011,796.50 : x
2. Step 2: Convert to fraction form
   688,014/1,011,796.50 = 1,011,796.50/x
3. Step 3: Cross multiply
   688,014x = 1,011,796.50 × 1,011,796.50
4. Step 4: Simplify right side
   688,014x = 1,023,732,157,412.25
5. Step 5: Solve for x
   x = 1,023,732,157,412.25/688,014
6. Step 6: Final answer
   x = 1,487,952.51