Finding the Third Proportional to 43,645,753.97 and 72,739,995.89

Step by Step Solution

1. Step 1: Write the proportion equation
   43,645,753.97 : 72,739,995.89 = 72,739,995.89 : x
2. Step 2: Convert to fraction form
   43,645,753.97/72,739,995.89 = 72,739,995.89/x
3. Step 3: Cross multiply
   43,645,753.97x = 72,739,995.89 × 72,739,995.89
4. Step 4: Simplify right side
   43,645,753.97x = 5,291,107,002,168,142
5. Step 5: Solve for x
   x = 5,291,107,002,168,142/43,645,753.97
6. Step 6: Final answer
   x = 121,228,447.70