Finding the Third Proportional to 607,234.50 and 905,931

Step by Step Solution

1. Step 1: Write the proportion equation
   607,234.50 : 905,931 = 905,931 : x
2. Step 2: Convert to fraction form
   607,234.50/905,931 = 905,931/x
3. Step 3: Cross multiply
   607,234.50x = 905,931 × 905,931
4. Step 4: Simplify right side
   607,234.50x = 820,710,976,761
5. Step 5: Solve for x
   x = 820,710,976,761/607,234.50
6. Step 6: Final answer
   x = 1,351,555.25