Finding the Third Proportional to 16,827,688,112 and 35,989,620,688

Step by Step Solution

1. Step 1: Write the proportion equation
   16,827,688,112 : 35,989,620,688 = 35,989,620,688 : x
2. Step 2: Convert to fraction form
   16,827,688,112/35,989,620,688 = 35,989,620,688/x
3. Step 3: Cross multiply
   16,827,688,112x = 35,989,620,688 × 35,989,620,688
4. Step 4: Simplify right side
   16,827,688,112x = 1,295,252,797,266,117,525,504
5. Step 5: Solve for x
   x = 1,295,252,797,266,117,525,504/16,827,688,112
6. Step 6: Final answer
   x = 76,971,523,874.54