Finding the Third Proportional to 706,315.50 and 906,930

Step by Step Solution

1. Step 1: Write the proportion equation
   706,315.50 : 906,930 = 906,930 : x
2. Step 2: Convert to fraction form
   706,315.50/906,930 = 906,930/x
3. Step 3: Cross multiply
   706,315.50x = 906,930 × 906,930
4. Step 4: Simplify right side
   706,315.50x = 822,522,024,900
5. Step 5: Solve for x
   x = 822,522,024,900/706,315.50
6. Step 6: Final answer
   x = 1,164,524.95