Finding the Third Proportional to 761,128 and 1,672,916

Step by Step Solution

1. Step 1: Write the proportion equation
   761,128 : 1,672,916 = 1,672,916 : x
2. Step 2: Convert to fraction form
   761,128/1,672,916 = 1,672,916/x
3. Step 3: Cross multiply
   761,128x = 1,672,916 × 1,672,916
4. Step 4: Simplify right side
   761,128x = 2,798,647,943,056
5. Step 5: Solve for x
   x = 2,798,647,943,056/761,128
6. Step 6: Final answer
   x = 3,676,974.10