Finding the Third Proportional to 778,905,565 and 1,113,762,610

Step by Step Solution

1. Step 1: Write the proportion equation
   778,905,565 : 1,113,762,610 = 1,113,762,610 : x
2. Step 2: Convert to fraction form
   778,905,565/1,113,762,610 = 1,113,762,610/x
3. Step 3: Cross multiply
   778,905,565x = 1,113,762,610 × 1,113,762,610
4. Step 4: Simplify right side
   778,905,565x = 1,240,467,151,434,012,160
5. Step 5: Solve for x
   x = 1,240,467,151,434,012,160/778,905,565
6. Step 6: Final answer
   x = 1,592,577,081.45