Finding the Third Proportional to 68,680,158 and 149,709,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,680,158 : 149,709,004.50 = 149,709,004.50 : x
2. Step 2: Convert to fraction form
   68,680,158/149,709,004.50 = 149,709,004.50/x
3. Step 3: Cross multiply
   68,680,158x = 149,709,004.50 × 149,709,004.50
4. Step 4: Simplify right side
   68,680,158x = 22,412,786,028,381,020
5. Step 5: Solve for x
   x = 22,412,786,028,381,020/68,680,158
6. Step 6: Final answer
   x = 326,335,679.49