Finding the Third Proportional to 1,708,716 and 3,638,292

Step by Step Solution

1. Step 1: Write the proportion equation
   1,708,716 : 3,638,292 = 3,638,292 : x
2. Step 2: Convert to fraction form
   1,708,716/3,638,292 = 3,638,292/x
3. Step 3: Cross multiply
   1,708,716x = 3,638,292 × 3,638,292
4. Step 4: Simplify right side
   1,708,716x = 13,237,168,677,264
5. Step 5: Solve for x
   x = 13,237,168,677,264/1,708,716
6. Step 6: Final answer
   x = 7,746,851.25