Finding the Third Proportional to 72,939,864 and 115,498,428

Step by Step Solution

1. Step 1: Write the proportion equation
   72,939,864 : 115,498,428 = 115,498,428 : x
2. Step 2: Convert to fraction form
   72,939,864/115,498,428 = 115,498,428/x
3. Step 3: Cross multiply
   72,939,864x = 115,498,428 × 115,498,428
4. Step 4: Simplify right side
   72,939,864x = 13,339,886,870,471,184
5. Step 5: Solve for x
   x = 13,339,886,870,471,184/72,939,864
6. Step 6: Final answer
   x = 182,888,836.62