Finding the Third Proportional to 153,924 and 231,331.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,924 : 231,331.50 = 231,331.50 : x
2. Step 2: Convert to fraction form
   153,924/231,331.50 = 231,331.50/x
3. Step 3: Cross multiply
   153,924x = 231,331.50 × 231,331.50
4. Step 4: Simplify right side
   153,924x = 53,514,262,892.25
5. Step 5: Solve for x
   x = 53,514,262,892.25/153,924
6. Step 6: Final answer
   x = 347,666.79