Finding the Third Proportional to 42,157,878 and 63,237,357

Step by Step Solution

1. Step 1: Write the proportion equation
   42,157,878 : 63,237,357 = 63,237,357 : x
2. Step 2: Convert to fraction form
   42,157,878/63,237,357 = 63,237,357/x
3. Step 3: Cross multiply
   42,157,878x = 63,237,357 × 63,237,357
4. Step 4: Simplify right side
   42,157,878x = 3,998,963,320,345,449
5. Step 5: Solve for x
   x = 3,998,963,320,345,449/42,157,878
6. Step 6: Final answer
   x = 94,856,845.51