Finding the Third Proportional to 28,390,923 and 61,764,111

Step by Step Solution

1. Step 1: Write the proportion equation
   28,390,923 : 61,764,111 = 61,764,111 : x
2. Step 2: Convert to fraction form
   28,390,923/61,764,111 = 61,764,111/x
3. Step 3: Cross multiply
   28,390,923x = 61,764,111 × 61,764,111
4. Step 4: Simplify right side
   28,390,923x = 3,814,805,407,620,321
5. Step 5: Solve for x
   x = 3,814,805,407,620,321/28,390,923
6. Step 6: Final answer
   x = 134,367,079.49