Finding the Third Proportional to 622,529.50 and 915,992

Step by Step Solution

1. Step 1: Write the proportion equation
   622,529.50 : 915,992 = 915,992 : x
2. Step 2: Convert to fraction form
   622,529.50/915,992 = 915,992/x
3. Step 3: Cross multiply
   622,529.50x = 915,992 × 915,992
4. Step 4: Simplify right side
   622,529.50x = 839,041,344,064
5. Step 5: Solve for x
   x = 839,041,344,064/622,529.50
6. Step 6: Final answer
   x = 1,347,793.71