Finding the Third Proportional to 916,138 and 1,426,558

Step by Step Solution

1. Step 1: Write the proportion equation
   916,138 : 1,426,558 = 1,426,558 : x
2. Step 2: Convert to fraction form
   916,138/1,426,558 = 1,426,558/x
3. Step 3: Cross multiply
   916,138x = 1,426,558 × 1,426,558
4. Step 4: Simplify right side
   916,138x = 2,035,067,727,364
5. Step 5: Solve for x
   x = 2,035,067,727,364/916,138
6. Step 6: Final answer
   x = 2,221,355.00