Finding the Third Proportional to 919,111,778,508 and 2,011,364,068,819

Step by Step Solution

1. Step 1: Write the proportion equation
   919,111,778,508 : 2,011,364,068,819 = 2,011,364,068,819 : x
2. Step 2: Convert to fraction form
   919,111,778,508/2,011,364,068,819 = 2,011,364,068,819/x
3. Step 3: Cross multiply
   919,111,778,508x = 2,011,364,068,819 × 2,011,364,068,819
4. Step 4: Simplify right side
   919,111,778,508x = 4,045,585,417,336,122,781,990,912
5. Step 5: Solve for x
   x = 4,045,585,417,336,122,781,990,912/919,111,778,508
6. Step 6: Final answer
   x = 4,401,625,038,364.05