Finding the Third Proportional to 7,068,128 and 15,387,648

Step by Step Solution

1. Step 1: Write the proportion equation
   7,068,128 : 15,387,648 = 15,387,648 : x
2. Step 2: Convert to fraction form
   7,068,128/15,387,648 = 15,387,648/x
3. Step 3: Cross multiply
   7,068,128x = 15,387,648 × 15,387,648
4. Step 4: Simplify right side
   7,068,128x = 236,779,710,971,904
5. Step 5: Solve for x
   x = 236,779,710,971,904/7,068,128
6. Step 6: Final answer
   x = 33,499,635.40