Finding the Third Proportional to 70,707,781.50 and 152,221,890

Step by Step Solution

1. Step 1: Write the proportion equation
   70,707,781.50 : 152,221,890 = 152,221,890 : x
2. Step 2: Convert to fraction form
   70,707,781.50/152,221,890 = 152,221,890/x
3. Step 3: Cross multiply
   70,707,781.50x = 152,221,890 × 152,221,890
4. Step 4: Simplify right side
   70,707,781.50x = 23,171,503,795,172,100
5. Step 5: Solve for x
   x = 23,171,503,795,172,100/70,707,781.50
6. Step 6: Final answer
   x = 327,707,973.63