Finding the Third Proportional to 191,776 and 403,770.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,776 : 403,770.50 = 403,770.50 : x
2. Step 2: Convert to fraction form
   191,776/403,770.50 = 403,770.50/x
3. Step 3: Cross multiply
   191,776x = 403,770.50 × 403,770.50
4. Step 4: Simplify right side
   191,776x = 163,030,616,670.25
5. Step 5: Solve for x
   x = 163,030,616,670.25/191,776
6. Step 6: Final answer
   x = 850,109.59