Finding the Third Proportional to 880,138 and 1,322,152

Step by Step Solution

1. Step 1: Write the proportion equation
   880,138 : 1,322,152 = 1,322,152 : x
2. Step 2: Convert to fraction form
   880,138/1,322,152 = 1,322,152/x
3. Step 3: Cross multiply
   880,138x = 1,322,152 × 1,322,152
4. Step 4: Simplify right side
   880,138x = 1,748,085,911,104
5. Step 5: Solve for x
   x = 1,748,085,911,104/880,138
6. Step 6: Final answer
   x = 1,986,149.80