Finding the Third Proportional to 1,361,138 and 1,907,373

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361,138 : 1,907,373 = 1,907,373 : x
2. Step 2: Convert to fraction form
   1,361,138/1,907,373 = 1,907,373/x
3. Step 3: Cross multiply
   1,361,138x = 1,907,373 × 1,907,373
4. Step 4: Simplify right side
   1,361,138x = 3,638,071,761,129
5. Step 5: Solve for x
   x = 3,638,071,761,129/1,361,138
6. Step 6: Final answer
   x = 2,672,816.25