Finding the Third Proportional to 98,739 and 148,978.13

Step by Step Solution

1. Step 1: Write the proportion equation
   98,739 : 148,978.13 = 148,978.13 : x
2. Step 2: Convert to fraction form
   98,739/148,978.13 = 148,978.13/x
3. Step 3: Cross multiply
   98,739x = 148,978.13 × 148,978.13
4. Step 4: Simplify right side
   98,739x = 22,194,481,728.52
5. Step 5: Solve for x
   x = 22,194,481,728.52/98,739
6. Step 6: Final answer
   x = 224,779.28