Finding the Third Proportional to 305,637 and 671,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   305,637 : 671,779.50 = 671,779.50 : x
2. Step 2: Convert to fraction form
   305,637/671,779.50 = 671,779.50/x
3. Step 3: Cross multiply
   305,637x = 671,779.50 × 671,779.50
4. Step 4: Simplify right side
   305,637x = 451,287,696,620.25
5. Step 5: Solve for x
   x = 451,287,696,620.25/305,637
6. Step 6: Final answer
   x = 1,476,547.99