Finding the Third Proportional to 431,110 and 652,627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   431,110 : 652,627.50 = 652,627.50 : x
2. Step 2: Convert to fraction form
   431,110/652,627.50 = 652,627.50/x
3. Step 3: Cross multiply
   431,110x = 652,627.50 × 652,627.50
4. Step 4: Simplify right side
   431,110x = 425,922,653,756.25
5. Step 5: Solve for x
   x = 425,922,653,756.25/431,110
6. Step 6: Final answer
   x = 987,967.46