Finding the Third Proportional to 749,388 and 1,142,736

Step by Step Solution

1. Step 1: Write the proportion equation
   749,388 : 1,142,736 = 1,142,736 : x
2. Step 2: Convert to fraction form
   749,388/1,142,736 = 1,142,736/x
3. Step 3: Cross multiply
   749,388x = 1,142,736 × 1,142,736
4. Step 4: Simplify right side
   749,388x = 1,305,845,565,696
5. Step 5: Solve for x
   x = 1,305,845,565,696/749,388
6. Step 6: Final answer
   x = 1,742,549.34