Finding the Third Proportional to 712,276 and 1,109,262

Step by Step Solution

1. Step 1: Write the proportion equation
   712,276 : 1,109,262 = 1,109,262 : x
2. Step 2: Convert to fraction form
   712,276/1,109,262 = 1,109,262/x
3. Step 3: Cross multiply
   712,276x = 1,109,262 × 1,109,262
4. Step 4: Simplify right side
   712,276x = 1,230,462,184,644
5. Step 5: Solve for x
   x = 1,230,462,184,644/712,276
6. Step 6: Final answer
   x = 1,727,507.57