Finding the Third Proportional to 28,126,840 and 42,265,158

Step by Step Solution

1. Step 1: Write the proportion equation
   28,126,840 : 42,265,158 = 42,265,158 : x
2. Step 2: Convert to fraction form
   28,126,840/42,265,158 = 42,265,158/x
3. Step 3: Cross multiply
   28,126,840x = 42,265,158 × 42,265,158
4. Step 4: Simplify right side
   28,126,840x = 1,786,343,580,764,964
5. Step 5: Solve for x
   x = 1,786,343,580,764,964/28,126,840
6. Step 6: Final answer
   x = 63,510,283.44