Finding the Third Proportional to 89,258,935 and 137,927,688

Step by Step Solution

1. Step 1: Write the proportion equation
   89,258,935 : 137,927,688 = 137,927,688 : x
2. Step 2: Convert to fraction form
   89,258,935/137,927,688 = 137,927,688/x
3. Step 3: Cross multiply
   89,258,935x = 137,927,688 × 137,927,688
4. Step 4: Simplify right side
   89,258,935x = 19,024,047,117,025,344
5. Step 5: Solve for x
   x = 19,024,047,117,025,344/89,258,935
6. Step 6: Final answer
   x = 213,133,252.34