Finding the Third Proportional to 907,012 and 1,977,328

Step by Step Solution

1. Step 1: Write the proportion equation
   907,012 : 1,977,328 = 1,977,328 : x
2. Step 2: Convert to fraction form
   907,012/1,977,328 = 1,977,328/x
3. Step 3: Cross multiply
   907,012x = 1,977,328 × 1,977,328
4. Step 4: Simplify right side
   907,012x = 3,909,826,019,584
5. Step 5: Solve for x
   x = 3,909,826,019,584/907,012
6. Step 6: Final answer
   x = 4,310,666.25