Finding the Third Proportional to 690,567 and 1,477,056

Step by Step Solution

1. Step 1: Write the proportion equation
   690,567 : 1,477,056 = 1,477,056 : x
2. Step 2: Convert to fraction form
   690,567/1,477,056 = 1,477,056/x
3. Step 3: Cross multiply
   690,567x = 1,477,056 × 1,477,056
4. Step 4: Simplify right side
   690,567x = 2,181,694,427,136
5. Step 5: Solve for x
   x = 2,181,694,427,136/690,567
6. Step 6: Final answer
   x = 3,159,279.88