Finding the Third Proportional to 43,655,409 and 72,754,632

Step by Step Solution

1. Step 1: Write the proportion equation
   43,655,409 : 72,754,632 = 72,754,632 : x
2. Step 2: Convert to fraction form
   43,655,409/72,754,632 = 72,754,632/x
3. Step 3: Cross multiply
   43,655,409x = 72,754,632 × 72,754,632
4. Step 4: Simplify right side
   43,655,409x = 5,293,236,477,455,424
5. Step 5: Solve for x
   x = 5,293,236,477,455,424/43,655,409
6. Step 6: Final answer
   x = 121,250,415.44