Finding the Third Proportional to 1,929,396 and 4,201,656

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929,396 : 4,201,656 = 4,201,656 : x
2. Step 2: Convert to fraction form
   1,929,396/4,201,656 = 4,201,656/x
3. Step 3: Cross multiply
   1,929,396x = 4,201,656 × 4,201,656
4. Step 4: Simplify right side
   1,929,396x = 17,653,913,142,336
5. Step 5: Solve for x
   x = 17,653,913,142,336/1,929,396
6. Step 6: Final answer
   x = 9,149,968.77