Finding the Third Proportional to 55,242,492 and 76,810,289

Step by Step Solution

1. Step 1: Write the proportion equation
   55,242,492 : 76,810,289 = 76,810,289 : x
2. Step 2: Convert to fraction form
   55,242,492/76,810,289 = 76,810,289/x
3. Step 3: Cross multiply
   55,242,492x = 76,810,289 × 76,810,289
4. Step 4: Simplify right side
   55,242,492x = 5,899,820,496,263,521
5. Step 5: Solve for x
   x = 5,899,820,496,263,521/55,242,492
6. Step 6: Final answer
   x = 106,798,594.39