Finding the Third Proportional to 1,017,018 and 1,381,225.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,018 : 1,381,225.50 = 1,381,225.50 : x
2. Step 2: Convert to fraction form
   1,017,018/1,381,225.50 = 1,381,225.50/x
3. Step 3: Cross multiply
   1,017,018x = 1,381,225.50 × 1,381,225.50
4. Step 4: Simplify right side
   1,017,018x = 1,907,783,881,850.25
5. Step 5: Solve for x
   x = 1,907,783,881,850.25/1,017,018
6. Step 6: Final answer
   x = 1,875,860.49