Finding the Third Proportional to 1,692,416 and 3,663,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692,416 : 3,663,488 = 3,663,488 : x
2. Step 2: Convert to fraction form
   1,692,416/3,663,488 = 3,663,488/x
3. Step 3: Cross multiply
   1,692,416x = 3,663,488 × 3,663,488
4. Step 4: Simplify right side
   1,692,416x = 13,421,144,326,144
5. Step 5: Solve for x
   x = 13,421,144,326,144/1,692,416
6. Step 6: Final answer
   x = 7,930,168.66