Finding the Third Proportional to 3,634,448,866.50 and 7,905,686,524.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634,448,866.50 : 7,905,686,524.50 = 7,905,686,524.50 : x
2. Step 2: Convert to fraction form
   3,634,448,866.50/7,905,686,524.50 = 7,905,686,524.50/x
3. Step 3: Cross multiply
   3,634,448,866.50x = 7,905,686,524.50 × 7,905,686,524.50
4. Step 4: Simplify right side
   3,634,448,866.50x = 62,499,879,423,660,892,160
5. Step 5: Solve for x
   x = 62,499,879,423,660,892,160/3,634,448,866.50
6. Step 6: Final answer
   x = 17,196,521,871.51