Finding the Third Proportional to 65,490 and 100,115.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,490 : 100,115.25 = 100,115.25 : x
2. Step 2: Convert to fraction form
   65,490/100,115.25 = 100,115.25/x
3. Step 3: Cross multiply
   65,490x = 100,115.25 × 100,115.25
4. Step 4: Simplify right side
   65,490x = 10,023,063,282.56
5. Step 5: Solve for x
   x = 10,023,063,282.56/65,490
6. Step 6: Final answer
   x = 153,047.23