Finding the Third Proportional to 140,931,412 and 215,609,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,931,412 : 215,609,284.50 = 215,609,284.50 : x
2. Step 2: Convert to fraction form
   140,931,412/215,609,284.50 = 215,609,284.50/x
3. Step 3: Cross multiply
   140,931,412x = 215,609,284.50 × 215,609,284.50
4. Step 4: Simplify right side
   140,931,412x = 46,487,363,562,601,944
5. Step 5: Solve for x
   x = 46,487,363,562,601,944/140,931,412
6. Step 6: Final answer
   x = 329,858,069.99