Finding the Third Proportional to 527,493 and 817,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   527,493 : 817,996.50 = 817,996.50 : x
2. Step 2: Convert to fraction form
   527,493/817,996.50 = 817,996.50/x
3. Step 3: Cross multiply
   527,493x = 817,996.50 × 817,996.50
4. Step 4: Simplify right side
   527,493x = 669,118,274,012.25
5. Step 5: Solve for x
   x = 669,118,274,012.25/527,493
6. Step 6: Final answer
   x = 1,268,487.49