Finding the Third Proportional to 2,063,346,817.50 and 4,359,584,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063,346,817.50 : 4,359,584,839.50 = 4,359,584,839.50 : x
2. Step 2: Convert to fraction form
   2,063,346,817.50/4,359,584,839.50 = 4,359,584,839.50/x
3. Step 3: Cross multiply
   2,063,346,817.50x = 4,359,584,839.50 × 4,359,584,839.50
4. Step 4: Simplify right side
   2,063,346,817.50x = 19,005,979,972,798,238,720
5. Step 5: Solve for x
   x = 19,005,979,972,798,238,720/2,063,346,817.50
6. Step 6: Final answer
   x = 9,211,238,659.25