Finding the Third Proportional to 42,369,685 and 89,824,068

Step by Step Solution

1. Step 1: Write the proportion equation
   42,369,685 : 89,824,068 = 89,824,068 : x
2. Step 2: Convert to fraction form
   42,369,685/89,824,068 = 89,824,068/x
3. Step 3: Cross multiply
   42,369,685x = 89,824,068 × 89,824,068
4. Step 4: Simplify right side
   42,369,685x = 8,068,363,192,068,624
5. Step 5: Solve for x
   x = 8,068,363,192,068,624/42,369,685
6. Step 6: Final answer
   x = 190,427,736.06