Finding the Third Proportional to 28,305,679 and 42,414,068

Step by Step Solution

1. Step 1: Write the proportion equation
   28,305,679 : 42,414,068 = 42,414,068 : x
2. Step 2: Convert to fraction form
   28,305,679/42,414,068 = 42,414,068/x
3. Step 3: Cross multiply
   28,305,679x = 42,414,068 × 42,414,068
4. Step 4: Simplify right side
   28,305,679x = 1,798,953,164,308,624
5. Step 5: Solve for x
   x = 1,798,953,164,308,624/28,305,679
6. Step 6: Final answer
   x = 63,554,496.05