Finding the Third Proportional to 67,298,433.75 and 146,406,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,298,433.75 : 146,406,667.50 = 146,406,667.50 : x
2. Step 2: Convert to fraction form
   67,298,433.75/146,406,667.50 = 146,406,667.50/x
3. Step 3: Cross multiply
   67,298,433.75x = 146,406,667.50 × 146,406,667.50
4. Step 4: Simplify right side
   67,298,433.75x = 21,434,912,288,455,556
5. Step 5: Solve for x
   x = 21,434,912,288,455,556/67,298,433.75
6. Step 6: Final answer
   x = 318,505,366.23