Finding the Third Proportional to 72,677,390.17 and 111,710,404.23

Step by Step Solution

1. Step 1: Write the proportion equation
   72,677,390.17 : 111,710,404.23 = 111,710,404.23 : x
2. Step 2: Convert to fraction form
   72,677,390.17/111,710,404.23 = 111,710,404.23/x
3. Step 3: Cross multiply
   72,677,390.17x = 111,710,404.23 × 111,710,404.23
4. Step 4: Simplify right side
   72,677,390.17x = 12,479,214,413,332,776
5. Step 5: Solve for x
   x = 12,479,214,413,332,776/72,677,390.17
6. Step 6: Final answer
   x = 171,706,969.45