Finding the Third Proportional to 53,178,984 and 115,675,404

Step by Step Solution

1. Step 1: Write the proportion equation
   53,178,984 : 115,675,404 = 115,675,404 : x
2. Step 2: Convert to fraction form
   53,178,984/115,675,404 = 115,675,404/x
3. Step 3: Cross multiply
   53,178,984x = 115,675,404 × 115,675,404
4. Step 4: Simplify right side
   53,178,984x = 13,380,799,090,563,216
5. Step 5: Solve for x
   x = 13,380,799,090,563,216/53,178,984
6. Step 6: Final answer
   x = 251,618,178.54