Finding the Third Proportional to 920,544 and 1,243,712

Step by Step Solution

1. Step 1: Write the proportion equation
   920,544 : 1,243,712 = 1,243,712 : x
2. Step 2: Convert to fraction form
   920,544/1,243,712 = 1,243,712/x
3. Step 3: Cross multiply
   920,544x = 1,243,712 × 1,243,712
4. Step 4: Simplify right side
   920,544x = 1,546,819,538,944
5. Step 5: Solve for x
   x = 1,546,819,538,944/920,544
6. Step 6: Final answer
   x = 1,680,332.00