Finding the Third Proportional to 1,205,312 and 1,636,957

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,312 : 1,636,957 = 1,636,957 : x
2. Step 2: Convert to fraction form
   1,205,312/1,636,957 = 1,636,957/x
3. Step 3: Cross multiply
   1,205,312x = 1,636,957 × 1,636,957
4. Step 4: Simplify right side
   1,205,312x = 2,679,628,219,849
5. Step 5: Solve for x
   x = 2,679,628,219,849/1,205,312
6. Step 6: Final answer
   x = 2,223,182.23