Finding the Third Proportional to 67,099,457.50 and 146,759,099

Step by Step Solution

1. Step 1: Write the proportion equation
   67,099,457.50 : 146,759,099 = 146,759,099 : x
2. Step 2: Convert to fraction form
   67,099,457.50/146,759,099 = 146,759,099/x
3. Step 3: Cross multiply
   67,099,457.50x = 146,759,099 × 146,759,099
4. Step 4: Simplify right side
   67,099,457.50x = 21,538,233,139,291,800
5. Step 5: Solve for x
   x = 21,538,233,139,291,800/67,099,457.50
6. Step 6: Final answer
   x = 320,989,676.25