Finding the Third Proportional to 10,110,869 and 21,638,913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,110,869 : 21,638,913.50 = 21,638,913.50 : x
2. Step 2: Convert to fraction form
   10,110,869/21,638,913.50 = 21,638,913.50/x
3. Step 3: Cross multiply
   10,110,869x = 21,638,913.50 × 21,638,913.50
4. Step 4: Simplify right side
   10,110,869x = 468,242,577,460,482.25
5. Step 5: Solve for x
   x = 468,242,577,460,482.25/10,110,869
6. Step 6: Final answer
   x = 46,310,814.38