Finding the Third Proportional to 615,937.50 and 823,905

Step by Step Solution

1. Step 1: Write the proportion equation
   615,937.50 : 823,905 = 823,905 : x
2. Step 2: Convert to fraction form
   615,937.50/823,905 = 823,905/x
3. Step 3: Cross multiply
   615,937.50x = 823,905 × 823,905
4. Step 4: Simplify right side
   615,937.50x = 678,819,449,025
5. Step 5: Solve for x
   x = 678,819,449,025/615,937.50
6. Step 6: Final answer
   x = 1,102,091.44