Finding the Third Proportional to 364,752 and 545,668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   364,752 : 545,668.50 = 545,668.50 : x
2. Step 2: Convert to fraction form
   364,752/545,668.50 = 545,668.50/x
3. Step 3: Cross multiply
   364,752x = 545,668.50 × 545,668.50
4. Step 4: Simplify right side
   364,752x = 297,754,111,892.25
5. Step 5: Solve for x
   x = 297,754,111,892.25/364,752
6. Step 6: Final answer
   x = 816,319.34