Finding the Third Proportional to 977,472 and 1,431,216

Step by Step Solution

1. Step 1: Write the proportion equation
   977,472 : 1,431,216 = 1,431,216 : x
2. Step 2: Convert to fraction form
   977,472/1,431,216 = 1,431,216/x
3. Step 3: Cross multiply
   977,472x = 1,431,216 × 1,431,216
4. Step 4: Simplify right side
   977,472x = 2,048,379,238,656
5. Step 5: Solve for x
   x = 2,048,379,238,656/977,472
6. Step 6: Final answer
   x = 2,095,588.66