Finding the Third Proportional to 164,994 and 316,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,994 : 316,864.50 = 316,864.50 : x
2. Step 2: Convert to fraction form
   164,994/316,864.50 = 316,864.50/x
3. Step 3: Cross multiply
   164,994x = 316,864.50 × 316,864.50
4. Step 4: Simplify right side
   164,994x = 100,403,111,360.25
5. Step 5: Solve for x
   x = 100,403,111,360.25/164,994
6. Step 6: Final answer
   x = 608,525.83