Finding the Third Proportional to 142,495,408 and 311,226,068

Step by Step Solution

1. Step 1: Write the proportion equation
   142,495,408 : 311,226,068 = 311,226,068 : x
2. Step 2: Convert to fraction form
   142,495,408/311,226,068 = 311,226,068/x
3. Step 3: Cross multiply
   142,495,408x = 311,226,068 × 311,226,068
4. Step 4: Simplify right side
   142,495,408x = 96,861,665,402,740,624
5. Step 5: Solve for x
   x = 96,861,665,402,740,624/142,495,408
6. Step 6: Final answer
   x = 679,752,890.02