Finding the Third Proportional to 9,146,218.78 and 13,375,832.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146,218.78 : 13,375,832.48 = 13,375,832.48 : x
2. Step 2: Convert to fraction form
   9,146,218.78/13,375,832.48 = 13,375,832.48/x
3. Step 3: Cross multiply
   9,146,218.78x = 13,375,832.48 × 13,375,832.48
4. Step 4: Simplify right side
   9,146,218.78x = 178,912,894,650,061.50
5. Step 5: Solve for x
   x = 178,912,894,650,061.50/9,146,218.78
6. Step 6: Final answer
   x = 19,561,405.53