Finding the Third Proportional to 8,461,113.75 and 13,079,801.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,461,113.75 : 13,079,801.25 = 13,079,801.25 : x
2. Step 2: Convert to fraction form
   8,461,113.75/13,079,801.25 = 13,079,801.25/x
3. Step 3: Cross multiply
   8,461,113.75x = 13,079,801.25 × 13,079,801.25
4. Step 4: Simplify right side
   8,461,113.75x = 171,081,200,739,501.56
5. Step 5: Solve for x
   x = 171,081,200,739,501.56/8,461,113.75
6. Step 6: Final answer
   x = 20,219,702.25