Finding the Third Proportional to 58,616,112 and 89,664,840

Step by Step Solution

1. Step 1: Write the proportion equation
   58,616,112 : 89,664,840 = 89,664,840 : x
2. Step 2: Convert to fraction form
   58,616,112/89,664,840 = 89,664,840/x
3. Step 3: Cross multiply
   58,616,112x = 89,664,840 × 89,664,840
4. Step 4: Simplify right side
   58,616,112x = 8,039,783,532,225,600
5. Step 5: Solve for x
   x = 8,039,783,532,225,600/58,616,112
6. Step 6: Final answer
   x = 137,159,959.23