Finding the Third Proportional to 45,685,430 and 99,742,610

Step by Step Solution

1. Step 1: Write the proportion equation
   45,685,430 : 99,742,610 = 99,742,610 : x
2. Step 2: Convert to fraction form
   45,685,430/99,742,610 = 99,742,610/x
3. Step 3: Cross multiply
   45,685,430x = 99,742,610 × 99,742,610
4. Step 4: Simplify right side
   45,685,430x = 9,948,588,249,612,100
5. Step 5: Solve for x
   x = 9,948,588,249,612,100/45,685,430
6. Step 6: Final answer
   x = 217,762,823.94