Finding the Third Proportional to 67,629,681 and 147,710,856.38

Step by Step Solution

1. Step 1: Write the proportion equation
   67,629,681 : 147,710,856.38 = 147,710,856.38 : x
2. Step 2: Convert to fraction form
   67,629,681/147,710,856.38 = 147,710,856.38/x
3. Step 3: Cross multiply
   67,629,681x = 147,710,856.38 × 147,710,856.38
4. Step 4: Simplify right side
   67,629,681x = 21,818,497,091,035,880
5. Step 5: Solve for x
   x = 21,818,497,091,035,880/67,629,681
6. Step 6: Final answer
   x = 322,617,181.81