Finding the Third Proportional to 148,795,086 and 315,290,940

Step by Step Solution

1. Step 1: Write the proportion equation
   148,795,086 : 315,290,940 = 315,290,940 : x
2. Step 2: Convert to fraction form
   148,795,086/315,290,940 = 315,290,940/x
3. Step 3: Cross multiply
   148,795,086x = 315,290,940 × 315,290,940
4. Step 4: Simplify right side
   148,795,086x = 99,408,376,846,083,600
5. Step 5: Solve for x
   x = 99,408,376,846,083,600/148,795,086
6. Step 6: Final answer
   x = 668,089,111.80