Finding the Third Proportional to 98,726.63 and 148,978.69

Step by Step Solution

1. Step 1: Write the proportion equation
   98,726.63 : 148,978.69 = 148,978.69 : x
2. Step 2: Convert to fraction form
   98,726.63/148,978.69 = 148,978.69/x
3. Step 3: Cross multiply
   98,726.63x = 148,978.69 × 148,978.69
4. Step 4: Simplify right side
   98,726.63x = 22,194,649,329.22
5. Step 5: Solve for x
   x = 22,194,649,329.22/98,726.63
6. Step 6: Final answer
   x = 224,809.16