Finding the Third Proportional to 5,981,376 and 13,120,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,981,376 : 13,120,756.50 = 13,120,756.50 : x
2. Step 2: Convert to fraction form
   5,981,376/13,120,756.50 = 13,120,756.50/x
3. Step 3: Cross multiply
   5,981,376x = 13,120,756.50 × 13,120,756.50
4. Step 4: Simplify right side
   5,981,376x = 172,154,251,132,292.25
5. Step 5: Solve for x
   x = 172,154,251,132,292.25/5,981,376
6. Step 6: Final answer
   x = 28,781,713.63