Finding the Third Proportional to 3,538,688,897.25 and 7,666,214,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538,688,897.25 : 7,666,214,422.50 = 7,666,214,422.50 : x
2. Step 2: Convert to fraction form
   3,538,688,897.25/7,666,214,422.50 = 7,666,214,422.50/x
3. Step 3: Cross multiply
   3,538,688,897.25x = 7,666,214,422.50 × 7,666,214,422.50
4. Step 4: Simplify right side
   3,538,688,897.25x = 58,770,843,571,747,004,416
5. Step 5: Solve for x
   x = 58,770,843,571,747,004,416/3,538,688,897.25
6. Step 6: Final answer
   x = 16,608,084,315.47