Finding the Third Proportional to 67,298,205 and 146,406,210

Step by Step Solution

1. Step 1: Write the proportion equation
   67,298,205 : 146,406,210 = 146,406,210 : x
2. Step 2: Convert to fraction form
   67,298,205/146,406,210 = 146,406,210/x
3. Step 3: Cross multiply
   67,298,205x = 146,406,210 × 146,406,210
4. Step 4: Simplify right side
   67,298,205x = 21,434,778,326,564,100
5. Step 5: Solve for x
   x = 21,434,778,326,564,100/67,298,205
6. Step 6: Final answer
   x = 318,504,458.28