Finding the Third Proportional to 65,420,106 and 142,722,904.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,420,106 : 142,722,904.50 = 142,722,904.50 : x
2. Step 2: Convert to fraction form
   65,420,106/142,722,904.50 = 142,722,904.50/x
3. Step 3: Cross multiply
   65,420,106x = 142,722,904.50 × 142,722,904.50
4. Step 4: Simplify right side
   65,420,106x = 20,369,827,468,916,120
5. Step 5: Solve for x
   x = 20,369,827,468,916,120/65,420,106
6. Step 6: Final answer
   x = 311,369,527.11