Finding the Third Proportional to 56,739,530 and 89,859,459

Step by Step Solution

1. Step 1: Write the proportion equation
   56,739,530 : 89,859,459 = 89,859,459 : x
2. Step 2: Convert to fraction form
   56,739,530/89,859,459 = 89,859,459/x
3. Step 3: Cross multiply
   56,739,530x = 89,859,459 × 89,859,459
4. Step 4: Simplify right side
   56,739,530x = 8,074,722,371,772,681
5. Step 5: Solve for x
   x = 8,074,722,371,772,681/56,739,530
6. Step 6: Final answer
   x = 142,312,112.42