Finding the Third Proportional to 73,290,690 and 152,609,970

Step by Step Solution

1. Step 1: Write the proportion equation
   73,290,690 : 152,609,970 = 152,609,970 : x
2. Step 2: Convert to fraction form
   73,290,690/152,609,970 = 152,609,970/x
3. Step 3: Cross multiply
   73,290,690x = 152,609,970 × 152,609,970
4. Step 4: Simplify right side
   73,290,690x = 23,289,802,943,400,900
5. Step 5: Solve for x
   x = 23,289,802,943,400,900/73,290,690
6. Step 6: Final answer
   x = 317,773,006.96