Finding the Third Proportional to 907,278 and 1,977,852

Step by Step Solution

1. Step 1: Write the proportion equation
   907,278 : 1,977,852 = 1,977,852 : x
2. Step 2: Convert to fraction form
   907,278/1,977,852 = 1,977,852/x
3. Step 3: Cross multiply
   907,278x = 1,977,852 × 1,977,852
4. Step 4: Simplify right side
   907,278x = 3,911,898,533,904
5. Step 5: Solve for x
   x = 3,911,898,533,904/907,278
6. Step 6: Final answer
   x = 4,311,686.75