Finding the Third Proportional to 89,258,914.50 and 137,927,655

Step by Step Solution

1. Step 1: Write the proportion equation
   89,258,914.50 : 137,927,655 = 137,927,655 : x
2. Step 2: Convert to fraction form
   89,258,914.50/137,927,655 = 137,927,655/x
3. Step 3: Cross multiply
   89,258,914.50x = 137,927,655 × 137,927,655
4. Step 4: Simplify right side
   89,258,914.50x = 19,024,038,013,799,024
5. Step 5: Solve for x
   x = 19,024,038,013,799,024/89,258,914.50
6. Step 6: Final answer
   x = 213,133,199.30