Finding the Third Proportional to 65,376,613.69 and 142,244,818.88

Step by Step Solution

1. Step 1: Write the proportion equation
   65,376,613.69 : 142,244,818.88 = 142,244,818.88 : x
2. Step 2: Convert to fraction form
   65,376,613.69/142,244,818.88 = 142,244,818.88/x
3. Step 3: Cross multiply
   65,376,613.69x = 142,244,818.88 × 142,244,818.88
4. Step 4: Simplify right side
   65,376,613.69x = 20,233,588,496,781,556
5. Step 5: Solve for x
   x = 20,233,588,496,781,556/65,376,613.69
6. Step 6: Final answer
   x = 309,492,758.27