Finding the Third Proportional to 7,140,712 and 10,878,384

Step by Step Solution

1. Step 1: Write the proportion equation
   7,140,712 : 10,878,384 = 10,878,384 : x
2. Step 2: Convert to fraction form
   7,140,712/10,878,384 = 10,878,384/x
3. Step 3: Cross multiply
   7,140,712x = 10,878,384 × 10,878,384
4. Step 4: Simplify right side
   7,140,712x = 118,339,238,451,456
5. Step 5: Solve for x
   x = 118,339,238,451,456/7,140,712
6. Step 6: Final answer
   x = 16,572,470.43