Finding the Third Proportional to 386,346 and 591,001.50

Step by Step Solution

1. Step 1: Write the proportion equation
   386,346 : 591,001.50 = 591,001.50 : x
2. Step 2: Convert to fraction form
   386,346/591,001.50 = 591,001.50/x
3. Step 3: Cross multiply
   386,346x = 591,001.50 × 591,001.50
4. Step 4: Simplify right side
   386,346x = 349,282,773,002.25
5. Step 5: Solve for x
   x = 349,282,773,002.25/386,346
6. Step 6: Final answer
   x = 904,067.27