Finding the Third Proportional to 53,153,418 and 80,805,222

Step by Step Solution

1. Step 1: Write the proportion equation
   53,153,418 : 80,805,222 = 80,805,222 : x
2. Step 2: Convert to fraction form
   53,153,418/80,805,222 = 80,805,222/x
3. Step 3: Cross multiply
   53,153,418x = 80,805,222 × 80,805,222
4. Step 4: Simplify right side
   53,153,418x = 6,529,483,902,469,284
5. Step 5: Solve for x
   x = 6,529,483,902,469,284/53,153,418
6. Step 6: Final answer
   x = 122,842,220.65