Finding the Third Proportional to 767,307,872 and 1,663,655,123

Step by Step Solution

1. Step 1: Write the proportion equation
   767,307,872 : 1,663,655,123 = 1,663,655,123 : x
2. Step 2: Convert to fraction form
   767,307,872/1,663,655,123 = 1,663,655,123/x
3. Step 3: Cross multiply
   767,307,872x = 1,663,655,123 × 1,663,655,123
4. Step 4: Simplify right side
   767,307,872x = 2,767,748,368,284,145,152
5. Step 5: Solve for x
   x = 2,767,748,368,284,145,152/767,307,872
6. Step 6: Final answer
   x = 3,607,089,760.55