Finding the Third Proportional to 99,127,947.50 and 214,730,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,127,947.50 : 214,730,839.50 = 214,730,839.50 : x
2. Step 2: Convert to fraction form
   99,127,947.50/214,730,839.50 = 214,730,839.50/x
3. Step 3: Cross multiply
   99,127,947.50x = 214,730,839.50 × 214,730,839.50
4. Step 4: Simplify right side
   99,127,947.50x = 46,109,333,432,374,760
5. Step 5: Solve for x
   x = 46,109,333,432,374,760/99,127,947.50
6. Step 6: Final answer
   x = 465,149,683.77