Finding the Third Proportional to 42,791,938.50 and 65,006,211

Step by Step Solution

1. Step 1: Write the proportion equation
   42,791,938.50 : 65,006,211 = 65,006,211 : x
2. Step 2: Convert to fraction form
   42,791,938.50/65,006,211 = 65,006,211/x
3. Step 3: Cross multiply
   42,791,938.50x = 65,006,211 × 65,006,211
4. Step 4: Simplify right side
   42,791,938.50x = 4,225,807,468,576,521
5. Step 5: Solve for x
   x = 4,225,807,468,576,521/42,791,938.50
6. Step 6: Final answer
   x = 98,752,419.65