Finding the Third Proportional to 42,315,698.81 and 58,470,683.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,315,698.81 : 58,470,683.06 = 58,470,683.06 : x
2. Step 2: Convert to fraction form
   42,315,698.81/58,470,683.06 = 58,470,683.06/x
3. Step 3: Cross multiply
   42,315,698.81x = 58,470,683.06 × 58,470,683.06
4. Step 4: Simplify right side
   42,315,698.81x = 3,418,820,777,795,324.50
5. Step 5: Solve for x
   x = 3,418,820,777,795,324.50/42,315,698.81
6. Step 6: Final answer
   x = 80,793,201.43