Finding the Third Proportional to 916,688 and 1,973,798

Step by Step Solution

1. Step 1: Write the proportion equation
   916,688 : 1,973,798 = 1,973,798 : x
2. Step 2: Convert to fraction form
   916,688/1,973,798 = 1,973,798/x
3. Step 3: Cross multiply
   916,688x = 1,973,798 × 1,973,798
4. Step 4: Simplify right side
   916,688x = 3,895,878,544,804
5. Step 5: Solve for x
   x = 3,895,878,544,804/916,688
6. Step 6: Final answer
   x = 4,249,950.41