Finding the Third Proportional to 1,643,992 and 3,602,264

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643,992 : 3,602,264 = 3,602,264 : x
2. Step 2: Convert to fraction form
   1,643,992/3,602,264 = 3,602,264/x
3. Step 3: Cross multiply
   1,643,992x = 3,602,264 × 3,602,264
4. Step 4: Simplify right side
   1,643,992x = 12,976,305,925,696
5. Step 5: Solve for x
   x = 12,976,305,925,696/1,643,992
6. Step 6: Final answer
   x = 7,893,168.53