Finding the Third Proportional to 285,553 and 634,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   285,553 : 634,933.50 = 634,933.50 : x
2. Step 2: Convert to fraction form
   285,553/634,933.50 = 634,933.50/x
3. Step 3: Cross multiply
   285,553x = 634,933.50 × 634,933.50
4. Step 4: Simplify right side
   285,553x = 403,140,549,422.25
5. Step 5: Solve for x
   x = 403,140,549,422.25/285,553
6. Step 6: Final answer
   x = 1,411,788.88