Finding the Third Proportional to 4,211,302.50 and 8,622,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,211,302.50 : 8,622,100.50 = 8,622,100.50 : x
2. Step 2: Convert to fraction form
   4,211,302.50/8,622,100.50 = 8,622,100.50/x
3. Step 3: Cross multiply
   4,211,302.50x = 8,622,100.50 × 8,622,100.50
4. Step 4: Simplify right side
   4,211,302.50x = 74,340,617,032,100.25
5. Step 5: Solve for x
   x = 74,340,617,032,100.25/4,211,302.50
6. Step 6: Final answer
   x = 17,652,642.39