Finding the Third Proportional to 68,653,020 and 103,617,978

Step by Step Solution

1. Step 1: Write the proportion equation
   68,653,020 : 103,617,978 = 103,617,978 : x
2. Step 2: Convert to fraction form
   68,653,020/103,617,978 = 103,617,978/x
3. Step 3: Cross multiply
   68,653,020x = 103,617,978 × 103,617,978
4. Step 4: Simplify right side
   68,653,020x = 10,736,685,364,808,484
5. Step 5: Solve for x
   x = 10,736,685,364,808,484/68,653,020
6. Step 6: Final answer
   x = 156,390,576.33