Finding the Third Proportional to 34,878,492 and 81,465,978

Step by Step Solution

1. Step 1: Write the proportion equation
   34,878,492 : 81,465,978 = 81,465,978 : x
2. Step 2: Convert to fraction form
   34,878,492/81,465,978 = 81,465,978/x
3. Step 3: Cross multiply
   34,878,492x = 81,465,978 × 81,465,978
4. Step 4: Simplify right side
   34,878,492x = 6,636,705,571,496,484
5. Step 5: Solve for x
   x = 6,636,705,571,496,484/34,878,492
6. Step 6: Final answer
   x = 190,280,748.71