Finding the Third Proportional to 97,978.69 and 146,587.13

Step by Step Solution

1. Step 1: Write the proportion equation
   97,978.69 : 146,587.13 = 146,587.13 : x
2. Step 2: Convert to fraction form
   97,978.69/146,587.13 = 146,587.13/x
3. Step 3: Cross multiply
   97,978.69x = 146,587.13 × 146,587.13
4. Step 4: Simplify right side
   97,978.69x = 21,487,785,215.77
5. Step 5: Solve for x
   x = 21,487,785,215.77/97,978.69
6. Step 6: Final answer
   x = 219,310.81