Finding the Third Proportional to 8,323,981,493.63 and 19,643,106,443.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323,981,493.63 : 19,643,106,443.20 = 19,643,106,443.20 : x
2. Step 2: Convert to fraction form
   8,323,981,493.63/19,643,106,443.20 = 19,643,106,443.20/x
3. Step 3: Cross multiply
   8,323,981,493.63x = 19,643,106,443.20 × 19,643,106,443.20
4. Step 4: Simplify right side
   8,323,981,493.63x = 385,851,630,739,003,146,240
5. Step 5: Solve for x
   x = 385,851,630,739,003,146,240/8,323,981,493.63
6. Step 6: Final answer
   x = 46,354,215,351.69