Finding the Third Proportional to 28,406,403 and 62,128,308

Step by Step Solution

1. Step 1: Write the proportion equation
   28,406,403 : 62,128,308 = 62,128,308 : x
2. Step 2: Convert to fraction form
   28,406,403/62,128,308 = 62,128,308/x
3. Step 3: Cross multiply
   28,406,403x = 62,128,308 × 62,128,308
4. Step 4: Simplify right side
   28,406,403x = 3,859,926,654,942,864
5. Step 5: Solve for x
   x = 3,859,926,654,942,864/28,406,403
6. Step 6: Final answer
   x = 135,882,274.67