Finding the Third Proportional to 191,364 and 415,330.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,364 : 415,330.50 = 415,330.50 : x
2. Step 2: Convert to fraction form
   191,364/415,330.50 = 415,330.50/x
3. Step 3: Cross multiply
   191,364x = 415,330.50 × 415,330.50
4. Step 4: Simplify right side
   191,364x = 172,499,424,230.25
5. Step 5: Solve for x
   x = 172,499,424,230.25/191,364
6. Step 6: Final answer
   x = 901,420.46