Finding the Third Proportional to 28,126,830 and 42,265,146

Step by Step Solution

1. Step 1: Write the proportion equation
   28,126,830 : 42,265,146 = 42,265,146 : x
2. Step 2: Convert to fraction form
   28,126,830/42,265,146 = 42,265,146/x
3. Step 3: Cross multiply
   28,126,830x = 42,265,146 × 42,265,146
4. Step 4: Simplify right side
   28,126,830x = 1,786,342,566,401,316
5. Step 5: Solve for x
   x = 1,786,342,566,401,316/28,126,830
6. Step 6: Final answer
   x = 63,510,269.96