Finding the Third Proportional to 42,449,243,624 and 90,861,596,656

Step by Step Solution

1. Step 1: Write the proportion equation
   42,449,243,624 : 90,861,596,656 = 90,861,596,656 : x
2. Step 2: Convert to fraction form
   42,449,243,624/90,861,596,656 = 90,861,596,656/x
3. Step 3: Cross multiply
   42,449,243,624x = 90,861,596,656 × 90,861,596,656
4. Step 4: Simplify right side
   42,449,243,624x = 8,255,829,746,877,630,251,008
5. Step 5: Solve for x
   x = 8,255,829,746,877,630,251,008/42,449,243,624
6. Step 6: Final answer
   x = 194,487,087,214.20