Finding the Third Proportional to 811,692,992.81 and 1,254,814,244.72

Step by Step Solution

1. Step 1: Write the proportion equation
   811,692,992.81 : 1,254,814,244.72 = 1,254,814,244.72 : x
2. Step 2: Convert to fraction form
   811,692,992.81/1,254,814,244.72 = 1,254,814,244.72/x
3. Step 3: Cross multiply
   811,692,992.81x = 1,254,814,244.72 × 1,254,814,244.72
4. Step 4: Simplify right side
   811,692,992.81x = 1,574,558,788,749,212,672
5. Step 5: Solve for x
   x = 1,574,558,788,749,212,672/811,692,992.81
6. Step 6: Final answer
   x = 1,939,845,240.37