Finding the Third Proportional to 49,839,564 and 72,867,186

Step by Step Solution

1. Step 1: Write the proportion equation
   49,839,564 : 72,867,186 = 72,867,186 : x
2. Step 2: Convert to fraction form
   49,839,564/72,867,186 = 72,867,186/x
3. Step 3: Cross multiply
   49,839,564x = 72,867,186 × 72,867,186
4. Step 4: Simplify right side
   49,839,564x = 5,309,626,795,558,596
5. Step 5: Solve for x
   x = 5,309,626,795,558,596/49,839,564
6. Step 6: Final answer
   x = 106,534,374.89