Finding the Third Proportional to 4,739,415 and 10,208,869.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,739,415 : 10,208,869.50 = 10,208,869.50 : x
2. Step 2: Convert to fraction form
   4,739,415/10,208,869.50 = 10,208,869.50/x
3. Step 3: Cross multiply
   4,739,415x = 10,208,869.50 × 10,208,869.50
4. Step 4: Simplify right side
   4,739,415x = 104,221,016,468,030.25
5. Step 5: Solve for x
   x = 104,221,016,468,030.25/4,739,415
6. Step 6: Final answer
   x = 21,990,270.21