Finding the Third Proportional to 2,564,103,071.60 and 5,556,164,009.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,103,071.60 : 5,556,164,009.91 = 5,556,164,009.91 : x
2. Step 2: Convert to fraction form
   2,564,103,071.60/5,556,164,009.91 = 5,556,164,009.91/x
3. Step 3: Cross multiply
   2,564,103,071.60x = 5,556,164,009.91 × 5,556,164,009.91
4. Step 4: Simplify right side
   2,564,103,071.60x = 30,870,958,504,976,949,248
5. Step 5: Solve for x
   x = 30,870,958,504,976,949,248/2,564,103,071.60
6. Step 6: Final answer
   x = 12,039,671,433.99