Finding the Third Proportional to 53,103,986 and 80,144,490

Step by Step Solution

1. Step 1: Write the proportion equation
   53,103,986 : 80,144,490 = 80,144,490 : x
2. Step 2: Convert to fraction form
   53,103,986/80,144,490 = 80,144,490/x
3. Step 3: Cross multiply
   53,103,986x = 80,144,490 × 80,144,490
4. Step 4: Simplify right side
   53,103,986x = 6,423,139,277,360,100
5. Step 5: Solve for x
   x = 6,423,139,277,360,100/53,103,986
6. Step 6: Final answer
   x = 120,953,995.38