Finding the Third Proportional to 72,693,551.25 and 109,093,544.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,693,551.25 : 109,093,544.25 = 109,093,544.25 : x
2. Step 2: Convert to fraction form
   72,693,551.25/109,093,544.25 = 109,093,544.25/x
3. Step 3: Cross multiply
   72,693,551.25x = 109,093,544.25 × 109,093,544.25
4. Step 4: Simplify right side
   72,693,551.25x = 11,901,401,397,026,708
5. Step 5: Solve for x
   x = 11,901,401,397,026,708/72,693,551.25
6. Step 6: Final answer
   x = 163,720,181.40