Finding the Third Proportional to 28,201,701,589 and 42,665,263,940

Step by Step Solution

1. Step 1: Write the proportion equation
   28,201,701,589 : 42,665,263,940 = 42,665,263,940 : x
2. Step 2: Convert to fraction form
   28,201,701,589/42,665,263,940 = 42,665,263,940/x
3. Step 3: Cross multiply
   28,201,701,589x = 42,665,263,940 × 42,665,263,940
4. Step 4: Simplify right side
   28,201,701,589x = 1,820,324,747,069,864,280,064
5. Step 5: Solve for x
   x = 1,820,324,747,069,864,280,064/28,201,701,589
6. Step 6: Final answer
   x = 64,546,628,199.91