Finding the Third Proportional to 73,290,688 and 152,609,966

Step by Step Solution

1. Step 1: Write the proportion equation
   73,290,688 : 152,609,966 = 152,609,966 : x
2. Step 2: Convert to fraction form
   73,290,688/152,609,966 = 152,609,966/x
3. Step 3: Cross multiply
   73,290,688x = 152,609,966 × 152,609,966
4. Step 4: Simplify right side
   73,290,688x = 23,289,801,722,521,156
5. Step 5: Solve for x
   x = 23,289,801,722,521,156/73,290,688
6. Step 6: Final answer
   x = 317,772,998.97