Finding the Third Proportional to 364,235 and 551,430.50

Step by Step Solution

1. Step 1: Write the proportion equation
   364,235 : 551,430.50 = 551,430.50 : x
2. Step 2: Convert to fraction form
   364,235/551,430.50 = 551,430.50/x
3. Step 3: Cross multiply
   364,235x = 551,430.50 × 551,430.50
4. Step 4: Simplify right side
   364,235x = 304,075,596,330.25
5. Step 5: Solve for x
   x = 304,075,596,330.25/364,235
6. Step 6: Final answer
   x = 834,833.55