Finding the Third Proportional to 86,455,678.50 and 185,267,360.25

Step by Step Solution

1. Step 1: Write the proportion equation
   86,455,678.50 : 185,267,360.25 = 185,267,360.25 : x
2. Step 2: Convert to fraction form
   86,455,678.50/185,267,360.25 = 185,267,360.25/x
3. Step 3: Cross multiply
   86,455,678.50x = 185,267,360.25 × 185,267,360.25
4. Step 4: Simplify right side
   86,455,678.50x = 34,323,994,774,003,280
5. Step 5: Solve for x
   x = 34,323,994,774,003,280/86,455,678.50
6. Step 6: Final answer
   x = 397,012,612.35