Finding the Third Proportional to 62,980,901,106 and 138,799,315,978

Step by Step Solution

1. Step 1: Write the proportion equation
   62,980,901,106 : 138,799,315,978 = 138,799,315,978 : x
2. Step 2: Convert to fraction form
   62,980,901,106/138,799,315,978 = 138,799,315,978/x
3. Step 3: Cross multiply
   62,980,901,106x = 138,799,315,978 × 138,799,315,978
4. Step 4: Simplify right side
   62,980,901,106x = 19,265,250,115,960,686,247,936
5. Step 5: Solve for x
   x = 19,265,250,115,960,686,247,936/62,980,901,106
6. Step 6: Final answer
   x = 305,890,353,704.79