Finding the Third Proportional to 42,247,761 and 89,034,915

Step by Step Solution

1. Step 1: Write the proportion equation
   42,247,761 : 89,034,915 = 89,034,915 : x
2. Step 2: Convert to fraction form
   42,247,761/89,034,915 = 89,034,915/x
3. Step 3: Cross multiply
   42,247,761x = 89,034,915 × 89,034,915
4. Step 4: Simplify right side
   42,247,761x = 7,927,216,089,057,225
5. Step 5: Solve for x
   x = 7,927,216,089,057,225/42,247,761
6. Step 6: Final answer
   x = 187,636,359.93