Finding the Third Proportional to 9,143,900.16 and 12,538,788.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,143,900.16 : 12,538,788.61 = 12,538,788.61 : x
2. Step 2: Convert to fraction form
   9,143,900.16/12,538,788.61 = 12,538,788.61/x
3. Step 3: Cross multiply
   9,143,900.16x = 12,538,788.61 × 12,538,788.61
4. Step 4: Simplify right side
   9,143,900.16x = 157,221,219,790,592.25
5. Step 5: Solve for x
   x = 157,221,219,790,592.25/9,143,900.16
6. Step 6: Final answer
   x = 17,194,109.42