Finding the Third Proportional to 1,255,352 and 1,611,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255,352 : 1,611,840 = 1,611,840 : x
2. Step 2: Convert to fraction form
   1,255,352/1,611,840 = 1,611,840/x
3. Step 3: Cross multiply
   1,255,352x = 1,611,840 × 1,611,840
4. Step 4: Simplify right side
   1,255,352x = 2,598,028,185,600
5. Step 5: Solve for x
   x = 2,598,028,185,600/1,255,352
6. Step 6: Final answer
   x = 2,069,561.51