Finding the Third Proportional to 1,057,690 and 1,611,335

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,690 : 1,611,335 = 1,611,335 : x
2. Step 2: Convert to fraction form
   1,057,690/1,611,335 = 1,611,335/x
3. Step 3: Cross multiply
   1,057,690x = 1,611,335 × 1,611,335
4. Step 4: Simplify right side
   1,057,690x = 2,596,400,482,225
5. Step 5: Solve for x
   x = 2,596,400,482,225/1,057,690
6. Step 6: Final answer
   x = 2,454,783.99