Finding the Third Proportional to 89,258,942 and 137,927,699

Step by Step Solution

1. Step 1: Write the proportion equation
   89,258,942 : 137,927,699 = 137,927,699 : x
2. Step 2: Convert to fraction form
   89,258,942/137,927,699 = 137,927,699/x
3. Step 3: Cross multiply
   89,258,942x = 137,927,699 × 137,927,699
4. Step 4: Simplify right side
   89,258,942x = 19,024,050,151,434,600
5. Step 5: Solve for x
   x = 19,024,050,151,434,600/89,258,942
6. Step 6: Final answer
   x = 213,133,269.62