Finding the Third Proportional to 550,426 and 1,116,342

Step by Step Solution

1. Step 1: Write the proportion equation
   550,426 : 1,116,342 = 1,116,342 : x
2. Step 2: Convert to fraction form
   550,426/1,116,342 = 1,116,342/x
3. Step 3: Cross multiply
   550,426x = 1,116,342 × 1,116,342
4. Step 4: Simplify right side
   550,426x = 1,246,219,460,964
5. Step 5: Solve for x
   x = 1,246,219,460,964/550,426
6. Step 6: Final answer
   x = 2,264,099.92