Finding the Third Proportional to 2,099,830,909.50 and 4,499,174,011.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,830,909.50 : 4,499,174,011.50 = 4,499,174,011.50 : x
2. Step 2: Convert to fraction form
   2,099,830,909.50/4,499,174,011.50 = 4,499,174,011.50/x
3. Step 3: Cross multiply
   2,099,830,909.50x = 4,499,174,011.50 × 4,499,174,011.50
4. Step 4: Simplify right side
   2,099,830,909.50x = 20,242,566,785,757,003,776
5. Step 5: Solve for x
   x = 20,242,566,785,757,003,776/2,099,830,909.50
6. Step 6: Final answer
   x = 9,640,093,730.49