Finding the Third Proportional to 35,905,707 and 78,984,774

Step by Step Solution

1. Step 1: Write the proportion equation
   35,905,707 : 78,984,774 = 78,984,774 : x
2. Step 2: Convert to fraction form
   35,905,707/78,984,774 = 78,984,774/x
3. Step 3: Cross multiply
   35,905,707x = 78,984,774 × 78,984,774
4. Step 4: Simplify right side
   35,905,707x = 6,238,594,523,831,076
5. Step 5: Solve for x
   x = 6,238,594,523,831,076/35,905,707
6. Step 6: Final answer
   x = 173,749,385.41