Finding the Third Proportional to 5,921,478,846 and 13,005,077,328

Step by Step Solution

1. Step 1: Write the proportion equation
   5,921,478,846 : 13,005,077,328 = 13,005,077,328 : x
2. Step 2: Convert to fraction form
   5,921,478,846/13,005,077,328 = 13,005,077,328/x
3. Step 3: Cross multiply
   5,921,478,846x = 13,005,077,328 × 13,005,077,328
4. Step 4: Simplify right side
   5,921,478,846x = 169,132,036,307,259,621,376
5. Step 5: Solve for x
   x = 169,132,036,307,259,621,376/5,921,478,846
6. Step 6: Final answer
   x = 28,562,465,678.91