Finding the Third Proportional to 63,591,139.50 and 137,746,602

Step by Step Solution

1. Step 1: Write the proportion equation
   63,591,139.50 : 137,746,602 = 137,746,602 : x
2. Step 2: Convert to fraction form
   63,591,139.50/137,746,602 = 137,746,602/x
3. Step 3: Cross multiply
   63,591,139.50x = 137,746,602 × 137,746,602
4. Step 4: Simplify right side
   63,591,139.50x = 18,974,126,362,546,404
5. Step 5: Solve for x
   x = 18,974,126,362,546,404/63,591,139.50
6. Step 6: Final answer
   x = 298,376,888.85