Finding the Third Proportional to 1,255,412 and 1,611,916

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255,412 : 1,611,916 = 1,611,916 : x
2. Step 2: Convert to fraction form
   1,255,412/1,611,916 = 1,611,916/x
3. Step 3: Cross multiply
   1,255,412x = 1,611,916 × 1,611,916
4. Step 4: Simplify right side
   1,255,412x = 2,598,273,191,056
5. Step 5: Solve for x
   x = 2,598,273,191,056/1,255,412
6. Step 6: Final answer
   x = 2,069,657.76