Finding the Third Proportional to 3,929,712 and 5,909,148

Step by Step Solution

1. Step 1: Write the proportion equation
   3,929,712 : 5,909,148 = 5,909,148 : x
2. Step 2: Convert to fraction form
   3,929,712/5,909,148 = 5,909,148/x
3. Step 3: Cross multiply
   3,929,712x = 5,909,148 × 5,909,148
4. Step 4: Simplify right side
   3,929,712x = 34,918,030,085,904
5. Step 5: Solve for x
   x = 34,918,030,085,904/3,929,712
6. Step 6: Final answer
   x = 8,885,646.09