Finding the Third Proportional to 5,981,382 and 13,120,772

Step by Step Solution

1. Step 1: Write the proportion equation
   5,981,382 : 13,120,772 = 13,120,772 : x
2. Step 2: Convert to fraction form
   5,981,382/13,120,772 = 13,120,772/x
3. Step 3: Cross multiply
   5,981,382x = 13,120,772 × 13,120,772
4. Step 4: Simplify right side
   5,981,382x = 172,154,657,875,984
5. Step 5: Solve for x
   x = 172,154,657,875,984/5,981,382
6. Step 6: Final answer
   x = 28,781,752.76