Finding the Third Proportional to 10,210,837,642.50 and 21,856,055,277

Step by Step Solution

1. Step 1: Write the proportion equation
   10,210,837,642.50 : 21,856,055,277 = 21,856,055,277 : x
2. Step 2: Convert to fraction form
   10,210,837,642.50/21,856,055,277 = 21,856,055,277/x
3. Step 3: Cross multiply
   10,210,837,642.50x = 21,856,055,277 × 21,856,055,277
4. Step 4: Simplify right side
   10,210,837,642.50x = 477,687,152,271,279,521,792
5. Step 5: Solve for x
   x = 477,687,152,271,279,521,792/10,210,837,642.50
6. Step 6: Final answer
   x = 46,782,366,833.75