Finding the Third Proportional to 69,926,541 and 109,451,907

Step by Step Solution

1. Step 1: Write the proportion equation
   69,926,541 : 109,451,907 = 109,451,907 : x
2. Step 2: Convert to fraction form
   69,926,541/109,451,907 = 109,451,907/x
3. Step 3: Cross multiply
   69,926,541x = 109,451,907 × 109,451,907
4. Step 4: Simplify right side
   69,926,541x = 11,979,719,945,936,648
5. Step 5: Solve for x
   x = 11,979,719,945,936,648/69,926,541
6. Step 6: Final answer
   x = 171,318,640.60