Finding the Third Proportional to 42,856,614 and 64,671,291

Step by Step Solution

1. Step 1: Write the proportion equation
   42,856,614 : 64,671,291 = 64,671,291 : x
2. Step 2: Convert to fraction form
   42,856,614/64,671,291 = 64,671,291/x
3. Step 3: Cross multiply
   42,856,614x = 64,671,291 × 64,671,291
4. Step 4: Simplify right side
   42,856,614x = 4,182,375,879,606,681
5. Step 5: Solve for x
   x = 4,182,375,879,606,681/42,856,614
6. Step 6: Final answer
   x = 97,589,974.78