Finding the Third Proportional to 45,685,436 and 99,742,622

Step by Step Solution

1. Step 1: Write the proportion equation
   45,685,436 : 99,742,622 = 99,742,622 : x
2. Step 2: Convert to fraction form
   45,685,436/99,742,622 = 99,742,622/x
3. Step 3: Cross multiply
   45,685,436x = 99,742,622 × 99,742,622
4. Step 4: Simplify right side
   45,685,436x = 9,948,590,643,434,884
5. Step 5: Solve for x
   x = 9,948,590,643,434,884/45,685,436
6. Step 6: Final answer
   x = 217,762,847.74