Finding the Third Proportional to 222,651 and 453,077.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,651 : 453,077.50 = 453,077.50 : x
2. Step 2: Convert to fraction form
   222,651/453,077.50 = 453,077.50/x
3. Step 3: Cross multiply
   222,651x = 453,077.50 × 453,077.50
4. Step 4: Simplify right side
   222,651x = 205,279,221,006.25
5. Step 5: Solve for x
   x = 205,279,221,006.25/222,651
6. Step 6: Final answer
   x = 921,977.54