Finding the Third Proportional to 67,298,746.50 and 146,083,207.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,298,746.50 : 146,083,207.50 = 146,083,207.50 : x
2. Step 2: Convert to fraction form
   67,298,746.50/146,083,207.50 = 146,083,207.50/x
3. Step 3: Cross multiply
   67,298,746.50x = 146,083,207.50 × 146,083,207.50
4. Step 4: Simplify right side
   67,298,746.50x = 21,340,303,513,488,056
5. Step 5: Solve for x
   x = 21,340,303,513,488,056/67,298,746.50
6. Step 6: Final answer
   x = 317,098,083.15