Finding the Third Proportional to 312,666,432 and 416,841,096

Step by Step Solution

1. Step 1: Write the proportion equation
   312,666,432 : 416,841,096 = 416,841,096 : x
2. Step 2: Convert to fraction form
   312,666,432/416,841,096 = 416,841,096/x
3. Step 3: Cross multiply
   312,666,432x = 416,841,096 × 416,841,096
4. Step 4: Simplify right side
   312,666,432x = 173,756,499,314,481,216
5. Step 5: Solve for x
   x = 173,756,499,314,481,216/312,666,432
6. Step 6: Final answer
   x = 555,724,828.54