Finding the Third Proportional to 90,950,256 and 139,798,548

Step by Step Solution

1. Step 1: Write the proportion equation
   90,950,256 : 139,798,548 = 139,798,548 : x
2. Step 2: Convert to fraction form
   90,950,256/139,798,548 = 139,798,548/x
3. Step 3: Cross multiply
   90,950,256x = 139,798,548 × 139,798,548
4. Step 4: Simplify right side
   90,950,256x = 19,543,634,022,908,304
5. Step 5: Solve for x
   x = 19,543,634,022,908,304/90,950,256
6. Step 6: Final answer
   x = 214,882,671.94