Finding the Third Proportional to 73,290,686 and 152,609,962

Step by Step Solution

1. Step 1: Write the proportion equation
   73,290,686 : 152,609,962 = 152,609,962 : x
2. Step 2: Convert to fraction form
   73,290,686/152,609,962 = 152,609,962/x
3. Step 3: Cross multiply
   73,290,686x = 152,609,962 × 152,609,962
4. Step 4: Simplify right side
   73,290,686x = 23,289,800,501,641,444
5. Step 5: Solve for x
   x = 23,289,800,501,641,444/73,290,686
6. Step 6: Final answer
   x = 317,772,990.99