Finding the Third Proportional to 323,435,448.50 and 528,085,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   323,435,448.50 : 528,085,076.50 = 528,085,076.50 : x
2. Step 2: Convert to fraction form
   323,435,448.50/528,085,076.50 = 528,085,076.50/x
3. Step 3: Cross multiply
   323,435,448.50x = 528,085,076.50 × 528,085,076.50
4. Step 4: Simplify right side
   323,435,448.50x = 278,873,848,022,010,848
5. Step 5: Solve for x
   x = 278,873,848,022,010,848/323,435,448.50
6. Step 6: Final answer
   x = 862,224,129.47